Hello friends, I've got a problem that's been plaguing me for the last few weeks, whatever I tried, did not work. Well, a picture is worth a thousand words.. The attached picture is the bottom of 2 layers of nubuck glued together. While the top stitching (not shown) is good, at the bottom (the picture); some steps are good, some are bad, some are almost perfect and some are completely unacceptable. The whole thing was done on a single run with no variation in speed. This is what a f