Johnathan Abrahams (JKA Sailmaker) has launched the 'must have' gadget for sailors at the London Boatshow.
Jon said '.....it has been a great start with many competitors purchasing the revolutionary patented device with sales now to all European Countries.'
The Wot-tac predicts the start line bias at committee boat starts as well as predicting wind angles and whether to prepare for a gybe or bear away set.
The hand held gaget is easy to use andis 'the most exciting innovation on the market.' Find out more here.