Singer 19 51 Question

[billcurley]

I had troubles sewing soft leather with my other machine and when i took it to the shop for adjustment I was told a 19-51 would work well for what i was doing without the issues of the bobbin not catching the needle thread in soft leathers. While it worked fine for thin layers of pigskin, when I tried to stitch up a guitar strap the other day I had the same issue as I did with my other machine. I have played with the tension with no luck in getting it to sew. Does anyone have any other suggestions, or a good used machine that will work better for me. I wish I could afford a Juki (as i have been told they are the nicest) but I can't at this point and even if I did I wouldn't know what model would make the most sence. Anyones assistance and input is greatly appreciated.