Foldable Hook Headphone Holder

I made this foldable hook to be placed in a plane (Van's RV-7) but it can fit everywhere (walls, furniture, desk, car...) !

Print both parts, put a nut in the side hole, then a long M* screw and tighten it.

Use flat head screw to fix it somewhere, the inside plate has to be flat to be able to close it well.

This design works like a charm in the plane I designed it for, and some other friends asked me the design, so I'm sharing it here !