Sticky Holsters - The Best Concealed Carry Holster Pocket holster, Pocket Holsters, IWB Holsters, IWB Holster, Glock Holster, holster for guns, comfortable Holster, Reliable Holster, Our original holsters are IWB (In the waist band) holsters for concealed carry. The smaller sizes also work well for in the pocket use. The construction of the holster uses the pressure from your clothing waistband to secure both the holster and the gun.