How to hand-sew very strong sections of a garment or bag

Hand-sewn versions

• A variety of options — Cross tack, bar tack, French tack, and arrowhead tack
• Some bar tack variants, some of them aesthetically pleasing

Minimal information about the machine-sewn version

• https://myogangler.com/basic-stitches/
• Bar tacks — Lots of detail
• from Sailrite:
  • Break-testing stitches, for sewn webbing loops
  • Webbing loops