Razer Imperator is perfect for either a claw grip or plam grip. Customize your own mouse with the adjustable side buttons, adjust it forward or backwards, it depends on where are you comfortable. Has a 5600 DPI 3g laser sensor. Buy this mouse from the official razer site here.
-Ergonomic Mouse Design
-Adjustable side buttons for optimum reach
-5600 dpi Razer Precision 3.5G laser sensor