What is scroll wheel reset on controller(Not marco)?

What is scroll wheel reset on controller(Not marco)?
A：It's basically a standalone scroll wheel that attaches to game controllers on Fortnite PS4/PS5/Xbox/PC.
Since Fortnite allows players to use both inputs at the same time, the device allows players to use their controller and reset edits with the scroll wheel.
The feature is best for “invisible” edits, where you reset a wall that you can’t totally see.

One of the biggest advantages of using a keyboard and mouse to play Fortnite has nothing to do with aiming, at all – it’s about the editing.
Editing is far easier with a mouse, and KBM players have the advantage of the notorious scroll wheel reset feature.What if you could have the
best of both worlds? What if you could keep your controller aim assist and have scroll wheel reset on the side?