Reuse of worn jigsaw blades

Do you have a used jigsaw blade?
The blade is only partially worn, and there are still some parts that are not worn.

This is the idea of reusing a worn jigsaw blade.

[Plan List]
https://jsk-koubou.stores.jp/
【JIG】
・​Extendable Circle Cutting Router Jig
https://youtu.be/2mEV75w6_cQ
・Drill stand
https://youtu.be/n-neSE8mwDg
・Magnet drill stand
https://youtu.be/a2kIJDhhZrg
・Belt sander
https://youtu.be/KaojkUzeEJU
・Making a 2-in-1 Circular Saw Slide Guide (Easy Panel Saw)
https://youtu.be/M1xYKw5FP-0
・How to make Line laser module
https://youtu.be/a5QKe4fZszY
・Workbench
https://youtu.be/cpnR1txnPGM
・Homemade height gauge
https://youtu.be/qdd8Jtsbbcc
・right angle corner clamp
https://youtu.be/yGoMIY325NM

Видео Reuse of worn jigsaw blades канала JSK-koubou