1s Lock & Release: Turn the knob clcokwise to expend the width you want of the phone mount, put your phone in, and then turn counterclockwise to narrow the width to grip your phone, Finally lock the safety lock up to secure your phone firmly, Safety lock your phone securely, let you enjoy the riding without worrying about dropping your phone loosely Camera Friendly: Our new motorcycle phone mount adopt half encolsure design, do not block the phone camera, Let you enjoy shooting and video recording anytime, anywhere during cycling Upgraded Quick Handlebar Clip: The bike phone mount equipped with upgraded new design handlebar clip, Compatible for 0.5-1.77 " handlebar or square rail in diameter. Accommodate more handlebar sizes to meet different size needs, Great fit for scooter, harley, atv, mtb, utv, golf cart, stroller, Quick installation, more easier, no tools are needed 360° Rotation & Sturdy: The adjustable motorcycle phone holder equiped with 360 degrees rotating b