I bought it on amazon, not sure of the exact seller but it looks just like this and is the same price range.
https://www.amazon.com/FQTANJU-Darni...oot+for+rulers
It can't be adjusted like Rob talks about, but my in expensive domestic machine didn't seem to mind it
Originally Posted by
cindyb
Do you have a link as to where you bought the non hopping foot? I so want to do this - but, I'm a little afraid of it.