[subtleaccents]

Festool had the same system back in 2000. I bought it with my plunge router. You could remove the lower swivel capture cover easily (magnetic) to run without. The adapter assembly was made of the bonded plastic insulator material (can't remember the name of it).
It made a world of difference when routing the edge details on Corian counter tops.

 

[subtleaccents]

Yes Rick, the swivel cup has stuck on me several times over the years. But I try to avoid that by using the air hose before and after each use to clear out the fine Corian dust. I guess their original design, at least the one I have didn't quite work as well as they thought. The price for that attachment wasn't cheap, but then. what is cheap when it comes to Festool?