rule 34 anal hook ankle cuffs anthro anus arctic fox arms tied ass ass up ball gag balls bent over blue hair blush blush lines bondage bondage bound canid canine chastity cage chastity cage only chastity device chastity device only cuff restraint digitigrade ear piercing fox fur gag gagged genitals glistening glistening butt gradient background hair hi res male mammal nude one eye closed piercing presenting presenting hindquarters puckered anus raised tail restraints rope rope bondage silhouette background simple background solo somik spread legs spreader bar spreading submissive submissive male tail tongue tongue out white body white fur 9066686