One-Way Ticket — Pressurizing Plunger Home Workshop By Jon ThornJon ThornView more articles by Jon Thorn July 27th, 2010 Pressurize with a plunger that pushes but doesn’t pull. Tagged MAKE 23 By Jon ThornJon ThornView more articles by Jon Thorn Discuss this article with the rest of the community on our Discord server! ADVERTISEMENT Subscribe now to Make: MagazineThe official magazine of Maker Faire Related Articles from Make: From the Shed: New ArrivalsOrion Watch$129.00Bottlehead Crack 1.1 OTL Headphone Amplifier Kit$375.00Bottlehead SEX 4 Kit for Headphones & Speakers$885.00 Get Make: Magazine $19.99