1. Wider Loop of the helmet strap Buckle Wide enough loop of the helmet strap buckle allow the helmet strap threaded through. No need to cut the strap or remove the snaps. 2. Wide Loop of the Metal Slot The helmet strap with snap can go through the metal slot again without modifying anything to fix the helmet strap. 3. Metal to Metal Strong and Tight Clip Once the helmet quick release buckle clasped, it is very strong and tight rather than the plastics. 4. Quick Release Buckle Convenient and quick design.Simply lift the lever to quick relase the buckle even with gloves on. 5. Metal Slot with Rubber The rubber part of the metal slot is designed for protect your chin or skin from scratching. 6. Helmet Compatibility It Is easy to install and compatible for all kinds of helmets with D-rings like full face helmets, open face helmets, half helmets, etc.