Saddle Stitch Hand stitching
Learn the fundamental skills you need to start working with leather by making simple accessories you can customize! Learn: cutting, gouging, folding, hand sewing, gluing, riveting, adding hardware, and creating simple details.
Use a fork to mark evenly spaced holes in leather. Drill with dremel tool.
DIY Leather Passport Holder with Temporary Tattoo Tutorial
Knitting Onto Leather - Closeups on Knitting Needles and Leather
Leather Sunglasses Case – How to make a leather glasses case. Hand Stitched Leather Case. Handcrafted Sleeve. Pattern Download DIY Leather Sunglasses Case.
This is the most comprehensive leather tutorial I've found, great pictures, MANY techniques and good tips
Marbled Leather Jewelry with Marbling on Leather Tutorial - JEWELRY AND TRINKETS
How to Prepare leather for sewing http://www.instructables.com/id/how-to-prepare-leather-for-sewing/
How to saddle stitch leather style + lots of other working with leather tutorials