I purchased a Grigri about 3 years ago after me and some of my friends built a 2.5 story climbing wall in an old barn. I initially bought it to belay people but had an idea to use it as an ascender/descender, it worked great! While your climbing (top rope of course) all you have to do is free one hand to pull the slack in the rope through the Grigri every five to ten feet. It is actually very easy to do and is very safe, I tested it with a few 10-15 foot falls and it didn't slip at all. I highly recommend this to anyone, either for belaying or solo climbing (although I doubt that Petzl would say to use it for solo climbs).
Allows belaying and lowering of a climbereven where the latter is heavier than the belayer. A handle allows easy control of the device and smooth runn...More at eBay
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