Introduction
We’ve already discussed how to paint a clean, show hoof both dark-footed and pale, even striped. But we have another part of the equation, don’t we? Yep. We have to paint the bottom or distal surface of the hoof, too! This is because this area is often detailed in nowadays, even on OFs, and so we should know how to give that area its due treatment to complete the whole package. But even if that area isn’t sculpted and so is “on the flat,” we can still paint in the features to give an illusion of dimensionality if we so wish.
Now granted, aside from lifted hooves, the chances that anyone will see our work in this area other than the future owners is pretty slim. Like what judge is going to grab the piece and turn it over? But regardless, it can be a nice feature to add all the same. To that end then, let’s talk about how we can paint up the distal foot whether sculpted or not so we can add that final touch of realism to our work. Let’s go!…
Anatomy
First we have to know the parts of the distal foot, right? We have to know the anatomy in order to know what we’re painting, why it has to be there, and how to paint it. To that end then, I’ve written a ton on foot anatomy so please refer to those posts for more in-depth discussion on those details (see recommended reading). Nevertheless, the basic anatomical structure of the distal foot is, as follows:
- Frog: The large triangular, densely callused, almost rubbery mass that takes up a large portion of the distal surface. It has a central cleft (the central sulcus) and clefts at the back, near the heel. As it naturally exfoliates, it tends to peel away first at the tip then progresses back to the middle portion.
- Sole: The cornified expanse of the distal foot.
- Collateral grooves: The deep grooves on either side of the frog, separating the frog from the sole.
- Bars: The hoof wall inverted and then running along the sides of the frog, just along the collateral grooves.
- Toe callus: A thickened portion of the sole just under the coffin bone, centered on the sole at the toe and located just at the end of the apex of the frog, in front of the Duckett’s Dot.
- Hoof wall: The hard keratinized shell that runs the perimeter of the foot with an opening in the posterior for the frog and heel.
- Waterline: Just inside the hoof wall runs the waterline, the perimeter zone that the horse actually walks on in a healthy foot (not the hoof wall). That’s to say, in the healthy barefoot, the horse actually walks on the entirety of the distal foot, including the waterline, not the hoof wall, contrary to conventional belief. In fact, the water line is of superior construction to bear weight and mediate loads compared to the outer wall and as such, the wall tends to wear away, “rolling the toe and edges,” as the waterline becomes part of the more active system for weight bearing.
- White line: Between the sole and the waterline is the white line, a buffer zone between the interior of the foot and sole and the hoof wall.
- Seat of the corn: This area doesn’t often slough off, but tends to callus into a denser material.
- Buttress of the heel: A bit thicker than the wall where it inverts inwards along the frog, this area often becomes substantially more dense with wear.
- "Fairy slippers": In the newborn, the distal foot is covered by fleshy tendrils or fringe to protect the dam during pregnancy and birth. They wear off in about a week of birth with active wear.
Recommended reading:
Artist As Farrier Part I (free downloadable PDF)
Steppin’ Out: Hooves From An Artistic Perspective Parts I-XII (keep clicking "newer post" to go to the next part)
Conformation
It’s not enough to know the anatomy of the distal foot, however, we have to know what makes a quality distal foot, too! You see, a quality foot exists within certain parameters that are readily apparent even on the bottom of the foot, and we have to get that right if we’re painting “on the flat” or to best flatter a sculpted distal foot. Said another way, we have to know what to downplay, what to accentuate, and what to add in with pigment to compensate if there are errors in the sculpted features.
Because errors in foot quality are common in sculpture for two primary reasons. First, the sculptor isn’t educated on the points that make a quality foot, so they have a pretty significant knowledge gap. Or second, they’ve parroted what they saw in life without understanding what they were looking at, and so simply duplicated a pathological foot in sculpture. Indeed, foot pathology is ubiquitous in the domestic population so unless an artist is well-versed in foot matters, they’re going to duplicate bad form inadvertently.
I’ve written extensively on foot anatomy and conformation in previous blog posts, so please refer to those for more in-depth discussion on all that (see recommended reading). But simply put, a quality distal foot consists of:
- An even hoof wall around the perimeter of the foot. The healthier the foot, the more even in thickness is the hoof wall. As for thickness, use good references to avoid a wall that’s either too thin or too thick (on average about 12mm all the way around the perimeter, including the waterline).
- A large, long frog that's wide, being no less than two-thirds of its total length, measured from the heel to the tip (apex), and measured at the widest point at the heel. Plus, the tip should come within one inch of the whiteline at the toe, and point straight to the toe without deviation. It naturally sloughs off or is trimmed as needed. (A foot is considered contracted when the frog is less than 67% of its length in width, a very serious fault.)
- A foot balance with a 1:2 ratio in which the distal surface of the foot has 2/3 of its mass behind the frog apex (Duckett’s Dot) and 1/3 of its mass ahead of the frog apex to the point of breakover (not the toe). However, this ratio changes with draft horses because a 1:2 ratio can leave too much toe on such large hooves. Instead, draft hooves should have a 1:3 ratio: 3/4 of the hoof’s mass behind the frog apex and 1/4 of its mass ahead of the frog apex to the point of breakover (not the toe).
- Bars that extend more than halfway down the frog on either side, ending about 3/4” from the tip of the frog. They should also be angled forwards at bit, not straight up and down. Presently, it’s thought that quality bars should be angled between approximately 45˚ - 60˚, forwards. They should extend past the sole just a snidge, by about 1/16”, and not be too long as to become overlaid. They should also be straight along the sides and wide at the heel to accommodate a broad frog.
- The sole should be about 1/2” to 3/4” thick and even 1” thick at the toe callus, which supports the coffin bone at peak loading. It mirrors the vault on the distal surface of the coffin bone and the distal edge of the lateral cartilages. (This vaulted surface is created by a coffin bone suspended high within the hoof capsule, at or above the coronet, “sucking up” the sole.) This vault should emerge as a smooth dome from the frog and bars, flowing to the edge of the toe callus, or wall (depending on lifestyle) like an inverted salad bowl, with the frog at the bottom of the “bowl,” about 1/4” deep from the walls (the 1/4” vault is thought to allow for the typical 1/4” expansion at the heels, at peak loading). But keep the sculpture’s lifestyle or narrative in mind. Like if the feet are adapted to hard-packed ground or concrete, the sole can grow to “fill in” more of this vault to maintain the coffin bone at the proper height within the foot at impact. However, the proper depth of the collateral grooves proves it’s not a “sinker” foot, but merely one “filled in.” As for its texture, the sole can either be “slicked out” and shiny like smooth, polished leather, or exhibit its natural exfoliation process, depending on lifestyle. As for color, it can be various shades of tan, charcoal, brown or grey, and have dark pigmentation in mottled, splotchy patches on occasion. A poor quality sole has ridges, lumps or bumps, or is made of crumbly, soft tissue. This kind of sole is typical of domestic horses (and is characteristic of shod horses, in particular), in sharp contrast to the soles of feral or barefooted horses. So try to avoid that kind of texture on your painted sole. Also don’t paint in anything that can be interpreted as an injury, cut, or puncture, or indicate that the sole is made of soft, crumbly, weak tissue.
- A toe callus underneath the coffin bone.
- Deep collateral clefts on either side of the frog to denote a thick sole. Shallow collateral clefts indicate a sole that’s too thin, a very serious fault.
- An even, skinny, tiny, and tight white line that lacks deviation or stretching. Dirt typically stains this dark brown, so it’s not usually pale in life unless immediately trimmed to expose the clean tissue.
- A thick waterline that, in the healthy barefoot, is what the horse actually walks on, not the hoof wall (which is typically worn away into a “mustang roll,” beveled away by wear).
- The seat of the corn that is smooth and free of lumps and bumps that would indicate corns or other injuries.
- A buttress of the heel that is approximately 1/4” beyond the distal plane of the heels, though this can vary with lifestyle.
- The front foot is broader and rounder while the hind foot is more pointed and sometimes a snidge more narrow. This is due to the physics they undergo, not genetics, as the front foot is more about weight-bearing and the hind foot is more about propulsion. These shape changes can start to occur as early as three days in the newborn.
Recommended reading:
Artist As Farrier Part II (free downloadable PDF)
Textures
The distal foot is also typified by various textures created by the cornified structures and wear and tear and the situational habitat, all of which may play into the narrative, so give it some goodly thought. For example, the sole of many horses living on packed or rocky ground is slicked out like polished leather where as that of horses living in marshy areas are a bit rougher and textured. Pay close attention to textures in your reference photos, which should be of feet that match the narrative of the sculpture.
Media
Use whatever media you’re comfortable with, it’s up to you. But for the sake of this how-to, I'll be using acrylic paint. Here's other media that might prove helpful for your own process:
- Acrylic paint (Carbon Black, Titanium White, Raw Sienna, and Burnt Umber are good starts)
- Color pencils
- Conté pencils
- Pastel pencils
- Blender sticks
- Testor’s Dullcote
Tools
Whatever tools you like are the right tools. But for the purpose of this tutorial, I'll be using a beaten up filbert and small round brushes. Here are other tools you can use:
- Pointed Q-tips
- Small stencil brush or beaten up brush (like your dappling brush); basically something that’ll create a speckled effect
- Size 4 round brush or filbert
- Small round brushes with good pointed tips and a good belly of bristles to hold a big reservoir of paint
- Good pencil sharpener
- Good, clear references
Painting a Sculpted Distal Foot
If the distal foot has been sculpted in, great! That just makes our job all the easier, given it’s been done accurately and properly. If not, we have our work cut out for us, but we can make the best of it with pigment all the same.
On that note, pay attention to the cleanliness of the distal foot in those references. Indeed, the area can manifest very differently whether caked with mud, picked out, brushed out, trimmed, washed clean, stained, or wet. Even grass and mud can get stuck in the structures, adding some fun touches. Likewise then, make sure any of that matches the narrative of the sculpture.
To that end, consider this sequence to start painting it (of a brushed out distal foot):
- Pick the darkest color as indicated by your reference and paint the entire distal foot that color (usually indicated by the color deep inside the collateral clefts). Let dry.
- Mix up a medium color specified by your reference and use the stencil brush or raggedy brush to speckle that color onto the features. Before you do though, dab out the brush a bit so you produce tiny speckles rather than big dots or globs. You want to stay in scale, remember.
- Mix up a medium-light color indicated by your reference and do the same.
- Now mix up the lightest color indicated by your reference, and do the same in key areas. Let all that dry. Now you have your blank speckled canvas for detailing.
- Use a small round with the darkest color again to re-accentuate the collateral clefts.
- Lighten that color a bit and do the same with the central sulcus of the frog.
- If your reference shows that the frog is darker than the sole, as is rather common, thin the dark color down into a wash, and give the frog a light wash to tint it darker without obscuring the speckling too much.
- Use the lightest color again and thin it down into a wash, and paint in highlights such as key areas on the frog, the heel buttress, and the bars.
- Mix up a dark “dirty brown,” and line just behind the waterline around the perimeter of the hoof wall to indicate the dirty white line, if possible considering scale (the smaller the scale, the less likely this becomes feasible).
- Now you can paint in details such as crackling, staining, pigmentation, smudges, wet spots, and whatnot. These details can be painted in with paint or the pencils, or both, your choice. Use the Q-tips to blend and smudge as needed or use washes to paint in mottling. When you use the pastel or conté pencils, and even the color pencils, just be sure to lightly spray with a sealant (like Dullcote) before proceeding to the next step to seal them and to reestablish “tooth.”
- Make adjustments.
- Now paint the perimeter of the hoof wall, blending it into the buttress of the heel. And voilá — done!
- Golden Fluid Acrylics Carbon Black
- Golden Fluid Acrylics Titanium White
- Golden Fluid Acrylics Dairylide Yellow
- Liquitex Soft Body Raw Sienna
- Liquitex Soft Body Burnt Umber
Painting “On The Flat”
If the bottom of the foot isn’t sculpted and is flat, we can still paint in the features to create a 3D illusion, which is quite fun despite the tight space. We do this exactly the same way as if it was sculpted, only we might have to be a snidge more pronounced in our darkest and lightest colors to lend more 3D punch to the impression.
Tips
Painting the distal foot isn't the easiest thing to do, but there are definitely some insights that make our job easier and our results better, such as:
- Consider the narrative of the sculpture as you paint. For instance, the distal foot is often stained or dirtied by the habitat such as the ground, dust, mud, grass, or manure. For example, a pasture-type might do well with some grass staining or wet spots from manure, damp ground, or dew. Or muddy horses will have wet distal feet, so you’ll have to work with darker hues to make it all look damp. On the other hand, be mindful of the colors you paint a base because the dirt or landscape there should be reflected on the distal foot, too. For instance, if you paint the base in a red clay look, the bottom of the feet should indicate this kind of dirt on them as well.
- Horses don’t live in a reality vacuum so don’t be afraid to paint in some wear and tear into the features, if possible. The distal foot only looks “pretty” when freshly trimmed, otherwise, it busily at work in life, so be sure to account for those details in your paintwork.
- Precision and tidiness is the name of the game, particularly with the thickness of the hoof wall, the evenness of the white line and waterline, and the straightness of the bars, clefts, and frog. So steady your hand, hold your breath, and take your time.
- Use brushes with fine points and long enough bristle bellies to hold a goodly amount of pigment so you don’t have to stop and redip into your paint, disrupting a clean line.
- Don’t be afraid to paint in dirt, mud, grass, or manure staining, manure wet spots, and other real-life touches.
- Study a lot of distal feet in life and in references (farrier and barefoot sources are a handy resource for this) to not only familiarize yourself with the structures and conformation, but for all the textures, colorations, and other details you can add.
- A newly trimmed frog won’t be so speckled or dusty in texture but be more slicked out, with more of its potential mottled pigmentation showing. Lean into your reference and consider the situational narrative of the sculpture before decide which route to go down: au naturel or trimmed.
- The sole can manifest in lots of different ways, so again, lean into your reference and consider the narrative.
- Your references should match the narrative you’ll be painting. For example, a newly trimmed distal foot isn’t going to work for a feral horse, right?
- Keep your pencils sharp to maintain a good tip to deposit color cleanly and precisely.
- Use the blender sticks as needed to burnish the color pencils into the paintwork as needed.
- Certain color pencil colors interact with sealants. For example, yellows, golds, and ochres become more garish whereas pale colors almost vanish, so color accordingly.
- If you need to create a glossy, wet look on the bottom of the foot, try Liquitex Gloss Medium. You just brush it on and clean up with water.
Conclusion
Clearly there’s a lot more to painting the distal foot than simply indicating the frog and hoof wall, or just painting the distal foot one flat color! If we’re doing our job well, there’s actually a lot to juggle in a small space and conditions we have to ping if we’re going to create a successful result. It’s not easy, but once you get the hang of it though, it’s actually pretty fun! There’s just so much variety in the coloration options from pale soles to dark soles to mottled soles to crackled soles to slicked out soles and on and on. As long as your distal foot is married to the narrative, you should be golden!
Painting the distal foot is just one of those touches we add for the sake of the art form, for completing the illusion of reality if we so wish. That said, it’s sorta mandatory if the distal foot has been sculpted in, obligating us to paint the features. But if the foot is “on the flat,” painting in the foot features is optional with no right or wrong answer. So in this latter case, whatever floats your boat is the right choice. Indeed, some artists like to sign on the bottom of an “on the flat” foot rather than the belly, so there’s that to consider as well.
With a bit of know-how and insights, this marvel of evolutionary engineering can actually become something quite fascinating to paint. It can even deepen our commitment to our art and our appreciation for this marvelous creature by compelling us to meditate on all the structures, textures, and narratives we have to balance in such a small space. So take your time, educate yourself, and have fun with it, and in no time at all, you’ll be creating beautiful distal feet in all the detail and attention they deserve, and in so doing, put your best foot forward!
“Creative work is a gift to the world and every being in it. Don’t cheat us of your contribution. Give us what you’ve got.”
– Steven Pressfield



































