The Half Flap allows for expanded carrying options while utilizing one of Spiritus Systems Pistol Magazine Inserts in the front pocket of the Micro Fight Chassis. Using the Half Flap is easy. Simply attach the 2 inch strip of Velcro in between your magazine insert and the Chassis wall on the inside of the rear pocket on your Micro Fight. Then, fold the Half Flap over to cover half of the front Pocket. Note: This product will work on the Micro Fight Chest Rig MK2, MK3 and MK4. It is NOT compatible with the MK1. Some images shown with optional accessories, sold separately. Mfg: Spiritus Systems