4:3
animal_genitalia
animal_penis
anthro
backsack
balls
bdsm
big_balls
big_penis
bondage
bound
cryphalen
cuff_(restraint)
equid
equine
equine_genitalia
equine_penis
genitals
handcuffs
horse
kneeling
male
mammal
metal_cuffs
monochrome
penis
rear_view
restraints
shackles
solo
