Originally Posted by Pag
Unless your machine is compound feed or needle feed the needless have nothing to do with the feed dogs. Throat plates can though (the plate with the hole the needle goes through). If he recommended changing to a needle plate to a smaller diameter opening to prevent the fabric from getting pushed down into the hook I could understand that.
I was told that the silnylon I was sewing was slipping around and being moved while the needle was still stuck into the fabric, putting pressure on the needle horizontally and causing them to snap.
Interesting point about the throat plate.