This Tacking Master is brand new and never used. Includes: TackingMaster Velcro wrist strap Belt pouch Powerful tool for the intermediate and advanced yachtsman. Now one glance, the tactician (or whoever is wearing the waterproof Tacking Master) can check mark or start / finish line bearings quickly. It can also be used as a portable compass and indicate tacking angles on the way to the windward mark on the race course. The invention from Denmark is a great addition to standard technical racing equipment on board of big boats and a perfect support for small boat sailors without the space for huge instruments. A tactical navigation device that works together with any compass. It aims to make it easier to understand and visualize changes and trends of the wind during regatta sailing. The visual overview on TackingMaster helps the tactical sailor to visualize all the most important main bearings in order to be better prepared for the next wind shift.