Your wish is my command, and a couple of you requested a handbrake feature, so here it is!
Just tap it to provoke oversteering and get quicker around tight corners.
In arenas, you can use it to make quick 180s at slower speeds.
Use the "B" button on Xbox Controllers, right Control on Keyboard... or equivalent (?) on other controllers (too much to list).
There are also a couple of more "moving objects" added to some levels. I will not spoil anything, try to spot them on your own. I can only say... Yvan eht nioj! (No I'm not having a stroke)