Lift the small tab on the main PCB in order to disconnect the side buttons cable. This is reversible.

If you cannot lift the tab, use scissors to cut the cable connecting the side buttons to the main PCB. This is unreversible.

The top button snugly fits the pins on the mouse base.

Place the bottom button in the orientation shown.

Refer to the image to secure 4 short screws.

Install the black clicks for a traditional fingertip mouse experience.

Install the white clicks to train tension management.

Refer to the image to secure 2 long screws.

Refer to the image to place all mouse skates as symmetrically as possible.

That's it! - Enjoy your training tool.