To Manually Reset the Tournament Stick
(available to version: 2.0.3.rc.6 & beyond):

While holding the button closest to the LED's on the TS, connect it to a PS4 console. The LEDs should blink yellow, indicating a successful manual reset. Plug a Dualshock 4 controller into the TS to complete the reset cycle.

 Beaver Stick Updater 

Firmware versions:

1/16/2020 - 2.0.3.rc.5

1/21/2020 - 2.0.3.rc.6 (1st Edition) - Adds manual reset.

4/20/2020 - 2.0.3.rc.7 (2nd Edition) - Changed internal product I.D.