Rule 34 Dev - 2boys all_fours bit_gag bit_harness black_hair cosplay dethklok erect_nipples erection gearsmoke gloves long_hair male_only metalocalypse nathan_explosion nude penis_size_difference pickles_the_drummer pony ponyboy ponyplay ponytail retracted_foreskin riding riding_crop saddle shoulder_gloves spurs tied_hair whip|559154744