abs
anthro
balls
biceps
black_and_white
digital_drawing_(artwork)
digital_media_(artwork)
equid
equine
genitals
half-erect
horse
lips
looking_at_viewer
male
mammal
mane
manly
monochrome
muscular
muscular_anthro
muscular_male
nipples
nude
pecs
penis
simple_background
sketch
solo
tail
unknown_artist
white_background
