subject: How to Make the Best Use of Your Helmets? [print this page] The correct use of helmets could reduce the risk of injury or death. So, make sure to fasten the straps firmly before riding. Check the visor screws and tighten it to ensure a firm fitting. Over tightening might cause the breakage of Plastic base plate screws and aluminum visor screws. Proper maintenance is crucial in keeping the helmets fully functional.