Blade-Tech Appendix Glock .19 Gun Holster, Right Hand The Klipt Appendix "Inside the Waste-band" holster" is the original thermo-formed holster Its ultra-thin signature makes it very comfortable and extremely low profile The Klipt Appendix "Inside the Waste-band" holster" is the original thermo-formed holster Its ultra-thin signature makes it very comfortable and extremely low profile Its ultra-thin signature makes it very comfortable and extremely low profile