I’ve been sewing off and on ... most difficult seams — the machine often lifts up from the table on the end opposite the needle. What I really need is an industrial sewing machine.

It is an industrial sewing machine that will need you to position ... It could be a compound walking foot, a regular drop feed, or a needle feed. The best feed mechanism for stitching leather ...

You’ve probably seen a sewing ... needle and also walks the fabric along. Here’s a great visual explanation of the differences between drop-feed, walking foot, and compound walking foot machines.