I would like to thank jackdoud for the screen captures.
Here is a first peak!
The first part I started working on looks like some sort of a pressure or power mechanism. I say that because it's the only part of the fast trap attachments with any knobs on it. It's likely used to control the amount of suction of the vaccuum attachment. So I'll refer to it as a Pressure dial throughout the thread unless "actual" names surface.
Here is another view from the top.
And here is the prop from the front.
Then from the top.