Learning knot tying can not only be used when camping, but also make life more convenient with a rope. This website is an online knot database, where you can explore a large amount of knot material. You can also create your own knots and share them with other users. It is a good way to learn new knots or better understand how knots work. In addition to video tutorials, there are also 3D knots that can be viewed from 360 degrees. For those who want to know how to tie knots, it is an interesting teaching website.