Knock·out (verb) The act of chugging an entire beer while the bottle fills with smoke, then inhaling the smoke.
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GRIP IT. FLIP IT. RIP IT!
Turn any bottle into a bong.
Chug any drink in 3 seconds flat!
The Knockout XL is made of extremely flexible Food-grade Silicone that can stretch to fit on Beer Cans, Glass Jars, Red Solo Cups, Pint Glasses, etc.