Step 1: Carrying Keys on a Carabiner

I carry my keys on a carabiner so I can hook them on my belt loop and from time to time I loose my key off the carabiner seems like a lot could have this problem so I came up with a solution

Step 2: Put Keys on the Carabiner

Put your keys on a carabiner

Step 3: Heat Shrink

Get some heat shrink and a heat source (lighter torch heat gun ) I used a heat gun

Choose the correct side heat shrink

Cut the heat shrink to your desired length might take a couple of cuts

Then slide it in the spring loaded arm that keeps it closed then close the carabiner and slide down over the nonmoving part and heat and then your done