A holster for carrying a handgun inside a wearer's beltline is shown and described. In one embodiment, the holster includes a body-interface surface (BIS) having a body side (BS) and a gun side (GS). An elastic strap is interfaced with the gun side of the body-interface surface. A clip is interfaced with the elastic strap. Other embodiments include methods of making a holster and methods of carrying a handgun.