Check out the video below on how The Knockout works!
Please note, bottle used in the photos is for demonstration purposes only and is not included.
The classic Knockout bigger and better than ever! Now able to fit over glass jars, your classic red solo cups, cans and drink bottles. The stretchy seal means you can now shot just about anything and your friends have no excuse to not give it a go!
The Knockout XL is a bottle attachment that can be used to drink and smoke at the same time! See video below to see how it works!