FURVERT!

anthro avian bdsm bird bondage bound collar divoy duo eryx_(eyru)eurasian_eagle-owl finger_in_mouth genitals hands_behind_back holding_leash holding_object horned_owl kneeling leash leash_pull legs_tied male male/male owl penis restraints rope rope_bondage sergal tail tail_mouth tapering_penis teasing true_owl unusual_anatomy unusual_tail