I agree with the others and second the metrosene and guterman threads. I have done hand and machine sewing and various forms of needlework most of my life. Also a little leather sewing, by hand and machine including the use of the sewing awl. In my opinion the sewing awl is far more comfortable than just a needle and thread and takes some of the work out of the sewing. Just one thought on needles: some have dull points, to push Aside the threads, some have sharp points to Pierce through the threads, and needles for Leather generally have knife like "blades" designed to cut the leather. If you have leather needles take care how you store them so the points can't cut the thread they are stored with.