This is something that came organically out of my own playing- it came up again and again in improvising for years before I finally analyzed it. The only place I’ve seen it mentioned since is in the  list of 128 hybrid rudiments. As it says in the explanation, this is a hands-only pattern for me, and I play it at a pretty even volume- little or no accent on the flammed note, and the grace note is not particularly soft.

I’ve included a version with a bass drum substitution, though it basically turns it into a completely different lick.

Download the pdf.