Hi BC,
I have this Muscle Power 99 and something is worrying me.
The no.9 hole on both sides seems have sunk in a bit…
I tried using leftover overgrip to act as a cushion.
Afterwards, i strung the racket at 24lbs. I look at it and it doesn’t look promising to me
Anybody has any idea what else i can do to improve this situation? It would totally suck if this racket goes to waste.
I have attached the photos show the sink, what i have done and the result of it after stringing.
Any help would be greatly appreciated!
Thanks! 
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