BetterTouchTool adds many new, fully customizable gestures to the Magic Mouse, Multi-Touch MacBook trackpad, and Magic Trackpad.   These gestures are customizable:   Magic Mouse: Pinch in / out (zoom) single-finger tap left single-finger tap right single-finger tap middle single-finger tap single-finger click middle two-finger tap two-finger click two-finger swipe (up/down/left/right) two-finger tip tap left/right […]