The Shapeshift Appendix Carry Holster is the safest holster on the market. Unique to Alien Gear Holsters, an Alien Skin material grips the firearm to eliminate any possibility of sliding, and a customizable passive retention system ensures your firearm will stay put no matter the situation. With its breakthrough design, the ShapeShift Appendix Carry Holster is now the perfect solution to modern day carry.