Before fishing course, we must know how to tie the rope or string to the hook. It looks trivial, but actually it is vital to be known or understood. If we do not understand it correctly, there is a possibility we could lose the fish catch at the pull, because the fish can escape due to the hook is not attached properly.
The hook has a relatively small size and moreover the hook for fresh water fish, so it is quite difficult to tie, because it helps us learn some knot to tie the good and true.
This application contains a collection of tutorial how to tie a fishing rod.