$39.95 USD
The Knockout XL (aka The KO-XL) lets you chug beer and smoke herb at the same time. It's made of flexible silicone that can stretch to fit on beer cans, glass jars, red solo cups, pint glasses, and whatever you can fit it onto. The KO-XL is easy to use and travel-friendly.
All orders are shipped discreetly in plain packaging.