There is a cut in one place. You can enjoy the design like a koban chain because the parts can be easily connected directly by inserting the cut and insert. * Please be careful if there is a possibility that it will damage the opening. * Please use this by changing the direction of the cutting edge to the opposite side if you use this product to the opposite side. * there are some individual differences in the color of the color and the color taste. In addition, there may be an endoscope. Please understand beforehand.