Mach Cancel
Mach Canceling is a method of instantly halting Peppino's horizontal speed, allowing for tighter movement and maneuvers. To perform a Mach Cancel, simply press BACKWARD while Grabbing. This can be done from a standstill, while Dashing, and in the air. Peppino will instantly turn to face the other direction, either standing or starting a run if DASH is held. If in the air, Peppino will do a little air twirl. Note that you can perform the Grab + Turn Around very close together, as long as GRAB is pressed at least a frame before BACKWARD.
After a Mach Cancel, Peppino can perform any movement he could perform from a standstill/the Walking Jump state if in air, which allows him to accelerate in the opposite direction far quicker than a standard turnaround using a Grab Slide or Air Grab.
Mach Cancelling is also an important part of Fast Falling.