Pro Staff Butt Cap

[TripleT’sTennisReviews]

Does anyone know what the notch on the butt cap is for?

 

[DropvolleysRhard]

Does anyone know what the notch on the butt cap is for?

To hold the end to start the grip.

 

[snoflewis]

You slide the starting piece of the replacement grip into that slot there and it holds it in place rather than relying on the adhesive