FURVERT!

abs all_fours ambient_silhouette anthro barazoku bdsm big_muscles bodily_fluids bondage bound breath canid canine canis chain chain_bondage chained chastity_cage chastity_device clothing collar cuff_(restraint)digital_media_(artwork)electrostimulation foster-tony genital_fluids genitals harness humanoid_genitalia humanoid_penis knee_pads latex latex_clothing latex_skinsuit leaking_precum leather leather_bondage leather_cuffs leather_strap lock male mammal metal_chastity_cage muffled muscular muscular_male muscular_sub offscreen_character padlocked_collar penis precum questionable_consent raised_tail restraints sensory_deprivation shaking skinsuit slave solo straps submissive submissive_male tail tight_clothing training treadmill wolf