PowerHitter Since the '70's  has been the quickest and easiest way to extract the maximum potential from a smoke. Old timers will immediately recognize this from their collection fondly as it was simply the funniest way to enjoy rolled smokes.
How does it work? You simply insert a lit smoke into the special holder in the cap. Screw it on and find the air hold. Cover it with your finger and just "Grip it and Rip it!"
It shoots out a steady heady long white straw of smoke that you inhale inches away from your mouth making it one of the safest ways to share a smoke. No more wet passes! No more cooties!
HOW TO
Simply unscrew the top piece, insert a lit joint or blunt, screw back in, and squeeze while covering the carb cap on the bottle!  You’ll immediately see a clean straw-like flow of smoke coming out of the tip, allowing you to inhale without making any contact with your lips whatsoever. 
No more wet passes!  You can keep the Power Hitter inches away from your mouth and still get a full-bodied inhale of smoke. 
This method also keeps the smoke from burning your throat and lips as the joint gets down to the end. Take a lips-off approach to smoking joints with your friends.