The Big ImageBoard (TBIB) - accessory animal genitalia animal penis anthro athletic athletic anthro athletic male ball bondage ball ring ball stretcher ball stretching barbell barbell piercing bdsm bindings biped black body black fur black nose bondage boots bound brown eyes brown markings canid canine canine genitalia canine penis canis clamp clothing cock and ball torture cock ring contraption concept digital media (artwork) docked tail domestic dog donovan the rottie erection floppy ears footwear forced forced bondage forced exercise forced exposure forced gag full-length portrait fur genital torture genitals gravity gym gym equipment hands above head handwear hi res jewelry kemira knot knot restraint male mammal markings mastiff mittens molosser multicolored body multicolored fur muzzle (object) muzzled nipple barbell nipple piercing nipples nonbinary (lore) nude penis penis accessory penis jewelry piercing portrait predicament bondage pulley rope rottweiler shadow short tail solo spread eagle spread legs spreading story story in description straps tail testicle cuff three-quarter view two tone body two tone fur weights wide stance