Lezyne Tubeless Patch Kit

Lezyne's repair kit borrows a tried-and-true design from the automotive world, miniaturized for use on bicycle tires. A combination eyelet fork and reamer tool is used to prep the tire and install the rubber plug, sealing large punctures when sealant can't. The ingenious design houses the tool and five tire plugs in a small canister. When in use, the canister doubles as a convenient handle for the tool. The total weight of the system is a mere 47 grams, and is compact enough to fit in any saddle bag or riding pack.

See the link below for detailed usage instructions:
Lezyne Blog - How to Use the Tubeless Kits