1. spring provides a strong grip, so that the clothes are close to the to resist the strongest. 2. Clip can open up to 4.5 cm for a beach towel, sheets, dolls, blankets, clothes. 3. Non -slip point design, the grip is more comfortable, the non -slip glue pad is soft and hard, and the drying without marks to avoid slipping and scratching your clothes. 4. plastic material, and not easy to damage.