This Prym turning set tool allows super easy turning for self-made fabric tubes, straps, beltloops and ties.
There are 3 sizes for use with a tunnel width of 9.5 to 25mm+. It's such a handy tool and makes turning fabric easy with its clever method.
S - 9.5mm - 16mm
M - 19mm - 25mm
L - 25mm or wider