How to use the German martingale.
Part 1
Start the video, then click on the “gear” icon at the bottom of the player to change the picture quality. I recommend the highest setting, 480p.
Part 2
Start the video, then click on the “gear” icon at the bottom of the player to change the picture quality. I recommend the highest setting, 480p.
You can purchase a well-made German martingale here.