Do any of these look good: https://www.hometalk.com/search/posts?filter=flat%20knife%20holder?
Marilyn: maybe these will help
I made one with a magnetic tool holder that mounts to the wall. The step-by-step tutorial can be found here. I hope this helps!
Here are some ideas: https://www.hometalk.com/search/posts?filter=flat%20knife%20holder
Hi Marilyn: I got a magnetic tool holder from Harbor Freight, mounted it to the wall and it works great! It has a Rare Earth Magnet and is really strong.