Originally Posted by
quiltingcandy
When i first read the question I remembered my grandmother's next door neighbor would borrow her Singer treadle when he would sew leather. It was still going strong in 1989. No one has used it since, it is sitting in a bedroom at my Aunt's house back in Kansas. My Viking is built to sew denim (even has a "jeans" stitch).
My mother made saddle pads and mended horse blankets on my grandmother's old treadle. She said that it would sew anything that you could get under the foot. She had better luck with the treadle on heavy stuff than her 301