Quick Release Clip Chin Strap for Half Helmet – Riders Gear Store
Helmet Chin Strap Mount Bike Helmet Holder with Mobile Clip & Screw Adjustable Strap Chin Mount
Amazon.com: Cosmos Pack of 3 Bike Helmet Speed Clip Bicycle Helmet Quick Release Buckle Pull Buckle for Universal Helmet, Fit ONLY for 0.75 Inch / 2 cm Width Chin Strap , Buckles