I made this clamp rack a few weeks back and it has been a HUGE add to my shop. It can hold 32 parallel or pipe clamps. It helps keep my shop clean and gives me much better move around space as it occupies my vertical space.
You can see just how easy this is to make in my YouTube video which you can view here:
You can also find the link to download the free plans in the description of the video!
I hope you find this video helpful and let me know if you have any questions!