51 important knots with video and descripton very easy to learn! Full version! Suitable for sailing, boating, climbing and fishing. how to tie knots. lern by this popular app. – works offline, no banner- Each knot with an easy Video + description. Optimized for learning.- Favorites Function and 8 tie knots included!- Video without sound can be practiced discreetly.- sailing knots, fishing knots, climbing knots, stopper knots, loops etc—————-You want more Knots? Buy "Knots video guide 2" too, for totaly 81 Knots!—————-The App supports 11 Languages:English, German, French, Spanish, Italian, Korean, Russian, Chinese, Japan, Arabic.