Le mobile interactif (en rose de chaque côté de la clef) inter-agit avec la goupille verte afin d'autoriser le déverrouillage du cylindre.
The mobile-part interacts with the green pin to allow rotation of the cylinder.

Bumping Mul-T-Lock Interactive
The regular key of the cylinder, and below is the bump-key used for the test

Here is a video of a bumping demonstration realised by " "

Important disclaimer : a video showing that a Mul-T-Lock Interactive cylinder has been bumped
doesn't prove that all Interactive cylinders can be bumped-open !