Small key case. It has one 21mm double ring and two 15mm double rings. It can be used in a style such as taking out the keys that you normally need and keeping them away from the most frequently used keys. It is not too big, and it can be used like a key holder. Shrunken leather used in Groover leather is a vachetta leather made in the Tuscan region. It is characterized by a small number of tanners that are made with leather to create a leather that is not tied up here and is made from a very small number of tanners that are compatible with the leather to create a better leather than the ones used in small factories in Japan. The leather created with such a tanner, is carefully grain by hand, giving it a high quality leather with a firm amount of oil to the inside. We also have a small number of groove leather to create intricate products that can be achieved.