My Dad always used an old treadle operated Singer machine to stitch his thinner skinned projects but would hand stitch the thick stuff using an awl and sinew. He always had a big roll of catgut around He had tons of cutting equip, tooling punches, stamps, and dies, rolls of elk, deer, and cowhides. Wish I'd have snagged all that stuff up. Damn hindsight. Keep at it, learning should be simpler now with YouTube and web info. My Dad had to rely on experts and books back in the 60's-90's, took him many years to perfect