When put on around the waist like a belt, it & rsquo; s very easy to neglect you & rsquo; re even putting on a PFD. It of program will also differ PFD to PFD, so it & rsquo; s best to speak with the owner & rsquo; s guidebook for precise directions. If it & rsquo; s loose when you & rsquo; re in the water it definitely won & rsquo; t be comfortable and might not also function properly. Due to the fact that of this layout feature, it & rsquo; s suggested to inspect them before you head out as well as change the gas cartridge every year( refer to OWNER & rsquo; s MANUAL for maintenance needs ). When put on around the midsection like a belt, it & rsquo; s simple to neglect you & rsquo; re also using a PFD. It of course will certainly likewise vary PFD to PFD, so it & rsquo; s best to speak with the owner & rsquo; s manual for specific instructions. If it & rsquo; s loose when you & rsquo; re in the water it definitely won & rsquo; t be comfortable and might not even function correctly. Of program, with any decision of what you & rsquo; re going to put on, there & rsquo; s the design element!