To be honest, I should have left that out of the review. The intent was to mimic the 20mm flip-up stops that you get with the original bracket. I needed the support of the Big Foot and the 20mm spacing for the Domino dock that I did and posted about in the swap project. The spacer is clumsy to use and I doubt I could get a photo that made sense.
For regular work, the original bracket is adequate and offers the 20mm spacing in an easy to use flip-up manner.
The big news is, the new Domino coming out this month has built-in stops at 20 and 37mm, so no auxiliary brackets are needed to do the 20mm spacing. I’ll be selling my old Domino and buying the new one mostly for that feature (although there are some other upgrades in the new model).
Half of what we read or hear about finishing is right. We just don’t know which half! — Bob Flexner