Help

[Thegreengiant12]

Can anyone help me on how to adjust these stingers?

https://tflnorthamerica.com/wp-content/uploads/2018/05/IMG_1461-800x800.jpg

[1coopgt]

Just a guess. Loosen the red screws and turn the green one in or out to adjust. Then tighten the red screws back up.IMG_1461-800x800.jpg