First, I don't consider myself a professional leathercrafter, maybe intermediate.
But when I started this craft, I blamed my tools, stitching wasn't good because of my stitching irons, I needed a better skiving knife.
I took some old tools and skived a piece of leather, and I cut glued, stitched, creased and burnished the edge. (The stitching is far from perfect, but it's not because of the tools, I haven't stitched in a while, so usually when I start a new project I do some practice