Fits a regular (traditional) 12 ounce can. The fastest and coolest way you can possibly chug a beer! Can puncturing button device is the secret for a perfect shotgun every time. Insulates to keep your drink colder for longer, not that you'll need it, but it still does. Great gift and loads of fun, get a few and try races.
Instructions for Use:
1. Insert Can
2. Pop the top
3. Tip can up and begin drinking
4. Push button firmly and quickly enough to puncture hole
5. Chug your beer super fast