Traduction vulgarisée: Comment faire un scoubidou sur un couteau, facile, il suffit d'avoir de la paracorde, et de suivre les étapes, sur 2 pages:

There is a good way to make your knives recognizable and easily accessible—by using a proper lanyard. The right lanyard can make a knife or tool easier to reach if in a pocket, makes it easier to find if dropped, and can be built to showcase a particular skill or trade, as well as make a tool more easily recognizable.

1. How to Make a Knife Lanyard (Part 1)

2. How to Make a Knife Lanyard (Part 2)

Source: http://www.knivesillustrated.com