rule 34 3d artwork 5 toes anthro between toes black body black fur black nose clothing digital media artwork dirty socks dominant dominant male duo echidna feet feetymcfoot female foot fetish foot on face footwear fur hi res humanoid feet ignored immobile inshoe insole katherine cgbro knuckles the echidna larger male male malefemale male focus male foot fetish mammal micro monotreme pinned plantigrade red body red fur sega shoes size difference smaller female socks soles sonic the hedgehog series stepped on stuck toes trapped trapped in footwear white body white fur yellow body yellow fur 7919237