Rolock is a 20 years old dry gloves system that is well know in Europe, especially in Switzerland and in Germany. Initially developed by a Swiss diver, Rolock has been sold to a German company called Aquatool and taken over by SF Tech SARL a Swiss drysuit manufacturer in 2015. Rolock top quality products have always been 100% made in Switzerland and considered as the easiest and simplest dry gloves system on the market. Video-Tutorials at http://www.rolock.ch/?page_id=228