Smosi - Evolution Dugout One-Hitter Pipe System 3-InchThe Smosi Evolution dugout & one hitter smoking system provides convenience for on the go smokers. Smosi Evolution is equipped with the Smosi Silver Devil stainless steel 3 one hitter pipe, and a hefty 4 gram herb compartment. But what sets the Smosi Evolution apart is its world's first built in one hitter cleaner tucked underneath. Say goodbye to clogged pipes and pesky residue, as this innovative feature keeps your one hitter clean and ready to use.