rule 34 anthro anthro on anthro backsack balls camera digital media artwork domestic cat emerald katai erection felid feline felis frill anatomy fur furniture genitals gloves marking greyscale group head crest head frill interspecies leg markings lizard looking aside male malemale mammal markings monochrome nude on sofa penis penis grab photographer progmonster reptile scalie scarneck artist scarneck character sitting smile socks marking sofa striped body striped fur stripes 4320813