FURVERT!

abs anthro balls bench biceps bovid bovine canid canine canis cattle clothing discarded_clothing docked_tail domestic_dog dominant equid equine erection foreskin furryrevolution genitals group handjob hat headgear headwear horse humanoid_genitalia humanoid_penis inside interspecies larger_dom larger_male locker locker_room male male/male mammal monochrome muscular nipples pecs penile penis penis_grab retracted_foreskin sex short_tail size_difference sketch smaller_male standing tail undressing vein