RT @RafRatinam: Pec Major and Minor. #anatomy #penart #calligraphy https://t.co/nUKB5pZDgc

RT @RafRatinam: Pec Major and Minor. #anatomy #penart #calligraphy https://t.co/nUKB5pZDgc (http://twitter.com/muhamadiqbaldar/status/937868886052966400)