Never suck again The Geigerrig’s secret is water pressurization. Using a bulb like the one on a blood-pressure cuff, you inflate the bladder to create pressure. Enough pressure that the water literally sprays out when you’re ready for it. $174.99
05.12.2014
Home & Office : Geigerrig 1600 Hydration Engine Backpack
Categories: ThinkGeek
