I am a Volkl user. I like Volkl's grip shape and I can easily transit to any Wilson, Yonex, Babolat and Dunlop rackets. I found Tecnifibre and Head's grip shapes are much more rectangular and I am not very used to their grip shapes.
pb 10 mid, BlackCode 54lb/52lb; pb10 10 mid, ZoTwist 54lb/52lb
pb 9, SPPP 17g 54lb; 9, SPPP 17g 54lb/ TNT2 56lb