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 canid canine canine penis canis clamp clothing cock and ball torture cock ring docked tail domestic dog donovan the rottie erection floppy ears footwear forced fur genital torture genitals gravity gym gym equipment hands above head handwear hi res jewelry kemira knot male mammal mastiff mittens molosser multicolored body multicolored fur muzzle (object) muzzled nipple barbell nipple piercing nipples nude penis penis accessory penis jewelry piercing predicament bondage pulley rope rottweiler shadow short tail solo spread legs spreading straps tagme tan body tan fur testicle cuff two tone body two tone fur weights