This device is a compact copy of the development https://www.thingiverse.com/ChudoShtukaV3D. Allows you to make a winding bowstring without removing it from the bow. A device for working with a screwdriver https://www.thingiverse.com/thinghaps672243 For assembly, a 50mm bolt and nut M4 are required. 3 furniture nails 1.8-2 mm long 30 mm