Key with clamping groove

A key with a clamping groove is composed of unlocking teeth and a handle. One end of the handle is fixedly connected with the unlocking teeth, the U-shaped grove is formed in the rear end of the handle and the upper end of the U-shaped groove is opened, a mouth-sealing elastic piece is installed in the opening position of the upper end of the U-shaped groove, one end of the elastic piece is fixed on the mouth edge and the other end of the elastic piece is tightly attached to the opposite side of the U-shaped groove. When the key with the clamping groove is used, an annular ring of a key chain is sleeved on the opposite side of the U-shaped groove and toggled into the U-shaped groove, the key is sleeved into the key ring, the elastic piece is pressed when the key is taken out, and the key can taken out from the opening at the upper end of the U-shaped groove. Using is very convenient.