All Walking foot machine users. Like the rest of you, I was somewhat dismayed over the walking foot marks left in my projects by the machine, especially in softer leather.
I purchased a replacement foot and, using a grinder, I ground off the teeth on the bottom of the foot. Then I took the foot to a diamond plater, who fortunately is a good friend of mine. We chose the appropriate diamond size and type and plated a layer of diamond on the bottom of the foot. The coefficient of friction seemed right so I installed the foot on my machine. As you can see from the photo, the marks from the original "toothed" foot are on the right and the left two rows are from the diamond plated foot with absolutely no changes in pressure settings, only an interchange of the feet.
As you can see, the marks are significantly reduced and I feel like I can use the patcher again for my projects where the foot marks are not tolerable.
Contact me if you are interested in purchasing a diamond foot for your machine. If a replacement foot is available, I can get one and plate it for you for $25 plus the cost of the foot.