I use the finger joint jig to make the frame I need to install a wooden window in one shed. This is a simple frame that I need to install a very simple ventilation wooden window.
How to make and use the finger joint jig: https://youtu.be/BHZMdvFXMnM
Homemade quick action bar clamp: https://youtu.be/3YHCzSMr3Nc
Finger joint box: https://youtu.be/9rPJaNM0qCU