Here is such a cute, and most importantly, a simple keychain for keys that everyone can do. We will need only two multi-colored ropes. For example, I took two multi-colored shoelaces.

We take our ropes and begin weaving by the "X"

Create two loops with a red rope

We take the ends of the gray rope and thread one end into one ring, the other into the other.

Shade tight. You should have this:

Well and further on system - we repeat cycles.

Then insert the keys. We knit the ends around the keys and sew the remaining ends with threads so that they do not stick out.