I’m trying to think of a summer mush buster and the recipe (short of a longboard) is always short, wide and low rocker. My only problem with that is I tend not to like wide boards. I have smallish feet ( size 8-1/2 - 9) and am light weight (155 lbs) and I don’t feel I get enough leverage to surf on rail with wide boards. You have to kind of surf them flat (or I do). Then it occured to me that the stinger was “supposed” to address that problem- pulling in the tail at least. I’ve never seen stingers except in their single fin configuration or the AIPA big boy models.
See if you can find a JC “Stingray.” I had one 10 or so years ago that was a 5’-11" that thing rocked! I think I still have a template that makes a similar outline, but with the widepoint at center. I made a couple of 6-4 stingers with it, about 19.5" wide with tail around 14". Liked 'em both pretty well, but didn’t keep either one very long.
did a mutant five fin stinger once… wasn’t really meant for small days but it worked fine…somebody borrowed that one and never brought it back, or I’d let you try it…