rule 34 animal genitalia animal penis anthro balls barbell piercing black pawpads blue collar butt tuft canid canine canine penis canis cheek tuft collar domestic ear piercing ear ring elbow tuft facial tuft front view full length portrait fur furgonomics furry specific piercing genital piercing genitals hands behind head koyo whitepaw looking at viewer male mammal nipple barbell nipple piercing nipples nude pawpads penis penis tip piercing portrait pupbii red nipples red penis red tongue ring piercing sheath sheath piercing sheath ring signature simple background solo tan balls tan body tan fur tan sheath tongue tongue out tuft yellow body yellow eyes yellow fur 6782696