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Re: Sewing Machine: Long Arm worth the extra $?
My understanding is that lacking a multi-point, multi-step zig-zag machine, the same effect of strength and durability can be made by multiple passes with a two-point, single-stitch machine, and that because of the perforation effect Jimgo mentions, multiple passes with a straight-stitch machine does not distribute the load the same as a zig-zag machine and is not as effective.
Last edited by TejasSailer; 04-22-2013 at 06:49 PM.