25 Sewing Hacks that Will Change Your Life: 1-Use paperclips to keep pieces of leather held together. You cannot use pins because it will leave holes in the fabric and can damage it, so paperclips are the perfect solution.
Here is the Patrick Kelly one seam rectangle coat, made shorter and with the pleat inverted. WOW, I love this. and it is so easy peasy to make. (back view)