rule 34 2019 5 fingers 5 toes anthro anus balls brown body brown eyes brown fur brown hair day detailed background digital media artwork ear piercing eyebrow piercing facial piercing fingers frenum piercing fur genital piercing guiche piercing hair labret piercing lip piercing male male only mammal murid murine navel navel piercing nipple piercing nipples nose piercing nose ring outside penis penis piercing philomaeus piercing rat rodent salkitten sky solo toes 3541173