Hi there, thanks for your question. The clips are for attaching head lamps to hardhats. I have attached a link for you for reference. coastportland.com/products/helmet-hard-hat-clip-set?variant=15902265868360&gclid=Cj0KCQjw1aOpBhCOARIsACXYv-cA2jJi3VFY2GCi64m6o3zB_OAzg2WN_sdRzMmDWLr_tD36uDzuFdAaAhHHEALw_wcB