When you use a heavy duty industrial walking foot sewing machine- it comes with a built-in walking foot mechanism. This is very different that most walking foot attachments that only snap-on regular household sewing machines.
2. Adjust Tension Depending on your fabric, you might need to adjust the tension settings. A typical tension range is between 4 and 6. Perform a test stitch on a scrap piece of fabric before starting on your actual project. Adjust the tension as needed until the stitches lay flat and evenly spaced.