We used a Sharpie pen to mark the material with the hold down ring's outline and the spots for the holes. The punch was then placed into a vise and secured. The holes were then punched into the nitrile material as you see here. You can also see the tool used in this photo. It pays to attend rallies over the years and get to know other FMC owners. One never knows when you may need to draw on a fellow FMC owner's expertise. Thank you Harry.
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