you could use it to just clean the grooves and not sharpen them
How long have you had them? I have some Mizuno Mp10 that must be getting on for 5 years old now and they still have plenty of life in despite me playing a fair bit.

How long have you had them? I have some Mizuno Mp10 that must be getting on for 5 years old now and they still have plenty of life in despite me playing a fair bit.