Ammo By Mig LOCK 'N LOAD - Weathering Rechargable Technical PencilAmmo By Mig LOCK 'N LOAD Weathering Rechargable Technical Pencil Chipping and scuff marks, dust, dirt and grime, streaking, soot, rust, fading, metallic effects, chalk markings and graffiti, and panel line shading are just some of the many different effects that the LOCK 'N LOAD system will allow you to create with ease, but as you go using them, you will discover many more possibilities. The application is extremely simple and intuitive: the lead is