back_holster
A holster for storing a weapon (usually a handgun) on one's back. When worn just above the waist, it is called a "small of back" or "SOB" holster, often used for concealed carrying.
See also
* holster** ankle holster
** arm holster
** crossdraw holster
** leg holster
*** thigh holster
** shoulder holster
** thigh holster