[JesseK]

Effectively, [G19-1] and [R22]'s blue box stipulate that a robot which has bumpers at the lowest legal point may not use a manipulator to raise the front of the entire robot more than 3" without incurring a [G19-1] penalty. Robots which have bumpers at the highest legal point may not use a manipulator to raise the front of the robot at all.

What about if a robot pops a wheelie (intentionally or not)? Disabling for popping a wheelie could be a huge swing in a match...

As a side note, I expect this to need to be demonstrated at inspection.