unknown Bag?

[Thälmannpionier]

does anyone know such Bag? Did not find it in my references..
i was told a Tool Bag for MG Gunner

strap is marked LUX

Thanks
Andreas

[Thälmannpionier]

d

[corporalSteiner]

ppsh mag holder?

[Thälmannpionier]

..but I saw the marking LUX on other german wartime straps..so I do not think it is for a russian MPi

any other Ideas?

Thanks
Andreas

[vikingkazan]

What size is it?
Maybe german made bag for ppsha?