Amazon.com: Taiko no Tatsujin controller “Taiko and Stick …

-An anti-slip mat. If you’re modded, you probably don’t need this. However, if you want to play as normal, then I’d highly recommend it. The controller recommends using plastic bottles in the back of the controller to hold it in place, but this doesn’t really work on slippery surfaces such as plastic desks.

https://www.amazon.com/Taiko-Tatsujin-controller-Nintendo-Switch-Japanese/dp/B07D1H7CW3