Hoser – Another notable feature of the Hogarthian or DIR equipment configuration is the long primary hose, and backup hose attached to the neck by a bungee necklace. Another innovation from cave divers, the long hose/bungee backup system allows a diver the greatest degree of freedom and adaptability when dealing with the unlikely situation of an OOA (out of air) situation in another diver.

Quick draw – Despite its intimidating length, the 7’ primary hose stows very nicely and can be deployed rapidly if needed. The primary hose is donated to the diver in need, while the donor reaches for the backup, which hangs conveniently below his chin, secured by a bungee necklace around the neck. Having experienced a small number of actual air shares as the donor in real diving, I am convinced that this is the safest system available.