Alien Gear Holsters Core Carry Package, 1.5 Belt Slide Holster, Black, Fits Glock 17, Standard Clips, Right Hand SSHK-0601-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.