From simple household tasks to the most difficult jobs, knots have been used for centuries and continue to be handy up to the present time. There is a variety of knots, ranging from the simple to the more complicated ones and each has its own use. While tying a knot may be easy, learning how to do it the proper way should be achieved to make sure that the knot is secure and it would serve its purpose. There are a number of knots that can prove to be very useful.