Alien Gear Holsters Core Carry Package, 1.5 Belt Slide Holster, Black, Fits Glock 43, Standard Clips, Right Hand SSHK-0939-RH-D The ShapeShift Core Carry Pack is the foundation of the ShapeShift Modular Holster System, and includes everything you need to carry in four distinct ways. In just a few quick steps, quickly transform the ShapeShift into an IWB holster, appendix carry holster, OWB belt slide, and OWB paddle holster. The Core Carry Pack also includes a bonus Holster Mount, so you can attach your ShapeShift to a variety of surfaces in seconds.