- seems like you basically have to make your own by cutting up a leather grip into small squares.
1 layer? do you stack 2 together?
- came across these as well... link 1, link 2
something similar available in the U.S.? if not the 2nd link has reasonable pricing roughly $16 shipped (but not in stock).
- pojie string extenders / power pads (https://www.stringadvantage.com/)
seems like the reviews are positive. for me it's a bit too conspicuous.
it seems like one of those times equipment might need to be banned for fair play (the head ti.s7 comes to mind).