Manual de Nudos y Amarres is an excellent mobile application where you will learn to make all kinds of ties or knots to be able to defend yourself from any situation that requires something in particular such as a tie We have made available the different types of knots that people most often seek or request, such as everyday knots, tie knots, sailor knots and also for adventurers, knots for mountains or climbers. Learn to make the knots correctly in each of the everyday situations that arise e