The Knockout is part beer bong, part pipe and a recipe for a pretty good time. This dishwasher safe device is made from high quality, food grade materials. There are multiple ways to chug and smoke with the knockout. The seal is airtight on nearly any bottle and its’ super portable able to fit in your pocket.
Drop by your local Underdog to check them out.
http://knockyourselfout.ca/ for more info.