My old hopping foot (for my 2011 Freedom) wore out, meaning the screw holes got stripped to the point where the foot would jiggle and wobble as I quilted. If I needed to use a ruler, the ruler would push the foot over to almost under the needle. I had already bought the kit of hopping feet, so I tried a couple of those, and I loved them. But, I really wanted my regular hopping foot for using rulers. So, I bought a new one, along with the shank to screw it into. The new hopping foot was shaped different from my old one, and I was worried it might not "agree" with the old shank. The new sha