A tarpaulin strap with the ability to adjust the length and leather straps mounted on the sides. For a long time this type of belt was used on rifles, carbines, machine guns. One of the main rifles on which this belt was used: Mosin rifle, Tokarev self-loading rifle, sks carbine. Thanks to leather straps-fixers on the sides, when carrying the weapon and bringing it into combat position, the knocking of metal elements of the belt on the frame of the carbine.
An example of the installation of a belt on the AVT-40