STICKS or STRAPS or a JACKET.
There's hardly enough PFTer's involved to be seperating them into classes. Let them choose which aid suits there own ergonomics and compete with each other.
They're all shooting a pistol with the same equipment parameters so its not like there is any advantage to one or the other since all three are there for the choosing.
Associate Match Director DFTC
"It doesn't get done til someone does it"