OP - THE KNOCKOUT Glasses Open the ampoule

Open the ampoule

so they are virtually indestructible

With the signature Cheech & Chong Logo Sandblasted into the 100% Borosilicate Glass

Add an extra round of filtration

OP - THE KNOCKOUT Glasses Open the ampouleThe Knockout was created to take your party to a new level. It attaches to any bottle to let you chug and smoke at the same time. The Knockout is easy to use and travel friendly. Turns any bottle into a Beer Chugger, Water Pipe or "Knockout" (Beer Gravity Pipe), Comes with a travel baggie, Disassembles to fit in your pocket, Easy to clean and dishwasher safe, Made from high quality materials; food grade silicone and stainless steel. GRIP IT. FLIP IT.