https://www.leathercraftmasterclass.com/post/the-ultimate-guide-to-choosing-the-right-thread-size-for-hand-stitching-leather
https://ashlandleather.com/collections/shell-cordovan?gad_source=1&gad_campaignid=22292579938&gbraid=0AAAAADsWT8jutgpBt1lr3LySDal8EBMxE&gclid=Cj0KCQjwiqbBBhCAARIsAJSfZkZwPAHWZRzoiM8Szwh_M12wiXO838IaO_vr-5X-OYy6aKXf1nkjOQ0aAtCAEALw_wcB
How to burnish
https://www.youtube.com/watch?v=lJRylQ7aKqM
