rule 34 2015 animal genitalia animal penis anthro armbinder arms behind back ball gag balls blush bondage bound bound together breasts r clothing collar darkfire dickgirl drooling duo equine equine penis erection fan character feathered wings feathers female gag gagged greyscale hair hair sticks hairpin hands behind back hi res hooves cock intersex kneeling leashed genitals leashed to genitals legwear looking at viewer mammal monochrome multiple subs my little pony nipple chain nipple piercing nipples nude pegasus penis phathusa piercing saliva signature stockings sureibu tied together wing bondage wings 2434827