The Knockout was created to take your party to a new level. It attaches to any bottle to let you chug beer and smoke herb AT THE SAME TIME. It’s virtually indestructible and ready to party.

• Turns any bottle into a Beer Billy, Water Billy or KNOCKOUT (Beer Gravity Billy)
  
• Comes with a convenient carrying case
• Disassembles to fit in your pocket
• Dishwasher safe
• Made from high-quality materials; food-grade silicone and stainless steel

* Random colour will be sent.