Rule 34 Dev - anthro bondage_gear bondage_gear_only butt collar collar_only dominant dominant_male duo looking_at_another male male/male nude simple_background submissive submissive_male whiskers white_background bushycat walt46 ned_caswell theo_willis beaver mammal murid murine rat rodent 2013 black_and_white hi_res line_art monochrome|12279316945