Summary

Slides into your hardhat mounting slots, works for both left and right side.

Mount needs a 1/2-20 tpi nut, available for $0.60 at a hardware store, or get a thumbscew here: https://amzn.to/4bql3Vr

For best results use PolyMaker PETG( https://amzn.to/3SvtBBH ), its outdoor and sun resistant filament.