Chin straps Hook From Blue Eagle / Made in Taiwan / For MSA / 3M Helmet Chin straps Hook attach directly to a hard hat and are adjustable to ensure a secure fit. Hard hat chinstraps clip on to hard hats to keep the hat secured in high winds or when working at heights. Hard hats with added chin straps are an alternative to climbing helmets, though they don’t provide the same coverage for the back and sides of the head that climbing helmets provideمرتبط