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Hello, As I continue to set up and use my new Cobra 4 sewing machine I have been speaking with the Leather Machine Co. to figure out a strange issue. I thought I would also put it up on here in case others have had the same problem, or in case we find a good solution, in which case - we can all benefit! Upon installing either the stirrup plate or holster plate, it is apparent that the needle comes down very close to the right hand side of the slot. On the holster plate the needle pretty much touches the right side of the slot. This is with the plate installed as far to the right as possible. In the instructions it says to have the needle more to the left side of the slot when using any of the plates. Basically a business card thickness between the left side of the slot and needle is necessary. If it is in the center or to the right of center you risk skipped stitches or frayed thread. - So far they have sent me out a new needle clamp that screws up into the needle bar. The new clamp did not change the position of the needle at all. - I then made a suggestion that perhaps the stirrup plate and holster plate need to be ground down on the right side to allow more play when installing. My reasoning is because the needle seems like it comes down center or just off right of center of the feed dog (when installed), and that the top stitch plate seems to be installing just fine as per instructions. I only have issue with the holster or stirrup plates. I am still waiting to hear back about that suggestion for grinding the plates down, I certainly don't want to patch something when there is a better way to adjust/fix though. Anyone else had to grind the plates down to fix their placement on these Cobra 4 machines? I'll keep updating as I hear back.