 Divers required buoyancy control devices for extended finning and began shifting the location of the cylinders from against the thigh, up to the armpit and against the torso.These exploratory level cave divers began by making their own systems, using and adapting 'off-the-shelf' SCUBA equipment for their needs or creating configurations ‘from scratch’, based upon webbing harnesses and improvised bladders for buoyancy.In the mid-1990s Lamar Hires designed the first commercial sidemount diving system and this was manufactured by Dive Rite.