Review by: coldclimb, 2006-09-27
I've been using the Stop every day for several months on a job. This device gets a two only because it manages to stay on the rope and thus mostly prevents dying. Other than that I have little good to say about the Petzl "Go". It has been my experience that this device doesn't work well on wet ropes, dry ropes, new ropes, ropes between 9mm and 12mm, or just ropes in general. Best used with a backup to prevent unwanted decking. I have personally been dropped free-fall by the stop (thank God and OSHA for backups) and have witnessed several other droppings and deckage even WITH backups. I have also personally experienced and witnessed repeated seizures requiring great amounts of effort to make the rappel go anywhere. In short, the grigri is preferable by a wide margin.
Pros: it's definitely easy to rig and unrig.