Rule34https://rule34.xxx/index.php?page=atom&tags=2011 3d anthro ass back muscles bovine cattle cloven hooves contrapposto digitigrade erection glans grey background hand on butt hand on hip hand on penis hooved fingers hooves horn humanoid hands humanoid penis looking away male mammal model model sheet muscular muscular back muscular male nude penis pose realistic rear view retracted foreskin sculpt simple background solo standing tail tuft tergos thick neck three-quarter view tuft uncut vein veiny muscles zbrush2024-05-03T23:20:28ZRule34