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.