Kimono, Nagusan undergarment, and yukatas collar prevents the garment from falling out and keeps your chest clean. A convenient accessory that snaps into the back of the collar and secures the collar so that it does not open. The length is adjustable, so it is not loose and wrinkle resistant, and does not tighten your chest. The stainless steel clasp makes it very durable and secure. The inside of the jaws is made with anti-slip rubber, so it will stay snug without damaging your kimono. It can be used for a wide range of occasions, from celebration wear such as kimonos and visitors to casual kimonos and yukatas.