E-key ring / key ring

When use ordinary keyring, we have to raise one side of the keyring by our fingers. After that,it still takes a lot of efforts to install keys successfully. During this process, our fingers may get hurt or even bleed.Thus, a new keyring design is neccessary. This E-key ring can make this process easier. By cutting down a 15º edge to make it convenient to install these keys to the keyring.Besides, it will save energy and make this process safer.