According to Mammut, the Smart Alpine is the first “braking-force support” device that can be used with single, twin and half ropes....

There are nearly 50 different belay devices on the market, and fewer than five qualify as “auto-locking.”...

In the 20 years since the Petzl Grigri was invented, no other single-rope “brake-assisted” belay device has been able to compete with it in ergonomics, reliability and performance. Until now....

www.mammut.ch | $29.95 | 3 Stars Mammut bills its Smart device as a tool for gym and sport climbers, and this no-frills auto-locker, designed to brak......