- Tighten and loosen the shoelaces with one click rotation, saving time and eliminate the tedious step of untying and tightening the shoelaces everytime you wear and take it off. - The design of this rotag shoe buckle and lazy shoelace is unique and novel. Combined with modern popular elements, it can add a little personality and fashion flavor to your shoes. - Lightweight and comfortable to wear, - Suitable from 4-10 years old