Yes, a 4" (approx) Black Diamond bent gate, just happened to be what was spare on my harness when I had the lightbulb moment.
When I pull up to self tend it sits juuuust below where the rope comes out the bottom of the HH, makes a nice smooth exit for the rope.
I found the other day I only clipped on the revolver for 3:1 once when I had to go down vertically for a distance, the action was that smooth to self tend back from a bit of a branch walk I didn't bother.
Sometimes there is a little click and jiggle if it gets a bit mixed up with the HH biner at the bottom, but nothing serious, a keeper might solve that if it begins to annoy me.