Rule 34 Dev - 2013 4_toes balls black_penis bottomless brown_fur brown_hair canine_penis claws clothing cum cum_on_feet cumshot digitigrade erection hair hindpaw kintuse knot lube male male_only masturbation orgasm pawpads paws penis plain_background shirt sitting soles solo spread_legs spreading toes toxicpup white_background wolico|1381389784