2013animal_genitaliaanthroanusbacksackballsbarefootbipedbuttclawsdigital_media_(artwork)digitigradeerectionfeetfersirgenitalsgrey_backgroundholding_own_penisholding_penishornhumanoid_genitaliahumanoid_penisinvitingkindle_(veskin)looking_at_viewerlooking_backlyingmalenudeon_frontpenispenis_backwardsperineumraised_tailscaliesheathsignaturesimple_backgroundsmilesolostripestailunknown_species