I had put a set of Krauser K2 bags on my '81 R100 last fall and, as usual with Krauser's universal type mounts, the upper mounting bracket left much to be desired in the strength and rigidity department.

I decided to make some new upper mounting brackets out of 1" x 1/8" flat stock but the bends I was able to make with my vise, hammer, and railroad iron were not very pretty. :-/ I finished out the year with the "floppy" Krauser bracket.
Harbor Freight to the rescue! They had their bench mount "Compact Metal Bender" on sale a while back so I picked one up. I bolted it to a workbench, and in no time had fabricated the top mounts with nice neat bends and now my bags don't flop around anymore!

I can begin to see a lot of potential uses for this thing...