How should I use a double ring keychain?

How should a double ring keychain be used? We wear keychains by using our nails to snap open the key for and then wear the key. But this takes a lot of fingernails and hurts a bit. It is troublesome for people who don't have long nails.

Use the thin card or hairpin around, use the principle of leverage can be cocked open a little mouth and then string the key in.

Of course, there is a second, better way, here to use a straw, we commonly drink milk straw can be, large straw can also be, as long as the keyhole can be passed through it. We cut a small section out. If the straw does not have a bend can also not cut.

Then insert the end of the straw into the open end of the key change, it is easy to insert. Then thread the key into the straw, it's easy and effortless to get it in.