This is a much more important use for a parachute rip-cord.
She's doing it all wrong, actually. It's much safer to remove the keyboard and really scrub those circuits. And be sure to use a mix of 2:1 Ammonia to Bleach for maximum effectiveness.
To computer parts, this is akin to being fed grapes from a bikini-clad beauty while relaxing in a velour chair.
From the submitter:
Transmission of vibrations are stopped by the bicycle's tube finally. The metal slot's are removed and replaced by tubes.
Because simply having the keyboard in front of you and the laptop behind you is just plain impractical.