I'd like to ask for some help from Angell grip size experts. The grip size of my k7 is L3. I play it with wilson leather grip (was the thickest I could find - 1.9mm) and I put three yonex super graps over it to get to a size that suits me. (The first two overgrips are used (ie worn out a bit) and put on without overlap.) That's a bit too much and I'd be better off with size L4 for sure. But wonder if I should perhaps jump to L5? I suspect that three overgrips (although a bit worn) would probably be equal to two sizes up? Has anyone played with L5?