Haley Strategic Partners Double Magazine Wedge Expansion System, Loop on Outside, Hook on Inside, Provides Envelope to Insert a Holster That Sits Centerline Between Rig and Body/Armor. Black Finish DMWB - Haley Strategic Partners Double Magazine Wedge Expansion System, Loop on Outside, Hook on Inside, Provides Envelope to Insert a Holster That Sits Centerline Between Rig and Body/Armor. Black Finish Part #: DMWB.