• Material: alligator clip made of PC, safe and durable. Spring cord with good elasticity. • Retractable spring: the clip's spring is retractable and elastic. • Easy to use: attach the clip to the hat and the shirt collar to prevent the wind from blowing it away. • Function: retractable spring up to 60 cm, connects the hat and clothing to prevent falls. • Wide range of applications: ideal for fishing, kayaking, boating, camping, hiking, sailing, jogging, climbing, and rappelling.