Mammut Smart Alpine Belay/Rappel Device

Mammut Smart Alpine Belay/Rappel Device 4.4 ounces I’ve been using the Mammut Smart Alpine device for several months now.  It has become my favorite belay/rappel device.  Its primary defining feature is that it is an autoblocking device, much like the well-known Gri Gri.   It isn’t guaranteed to hold a fall without help from the… Continue reading Mammut Smart Alpine Belay/Rappel Device