The Mammut Smart Belay Device stands high above all the rest of the competition. So when your browser has 14 tabs open, with 4 dedicated to belay reviews from all the top sources, 5 dedicated to customer reviews and forums, and the last 5 dedicated to finding the cheapest place that offers, close them all now. My Review The Smart Belay Device is one of the most versatile assisted-braking devices on the market. It’s made by Mammut, of Switzerland, so you know it’s been tested to perform at its best when you needed it the most. The best, and my …