In the event of a fall, the OHM increases the amount of rope friction so that a lighter belayer can hold a heavier lead climber without difficulty. This can reduce ground-fall potential, and risk of belayer injury.

Belayer requires significantly less hand braking force to arrest a fall, and lowering a heavier climber is much safer and easier to control

OHM is attached at the first bolt in the safety chain Should a lead climber fall at the first bolt, the OHM significantly reduces the risk of a possible ground fall

Rope handling when belaying a lead climber is not affected (no additional friction when paying out rope)

Recommended weight difference (lead climber > belayer): 10 - 40 kg

Minimum weight belayer: 40 kg

For single ropes from 8.9 - 11.0 mm

Weight: 470 g

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