Geared iris secret knock device

[myxpykalix]

This iris looks like our guy's iris (Chris Schaie?) set up with a secret knock device. It's kind of clever only if it is his we all now know how to get into his shop....if we only knew where it was:D

http://www.youtube.com/watch?v=UJUKEvT8fMI&feature=feedrec_grec_index