Finger Mouse / mouse

Get rid of having a image to a traditional mouse , from " grasp a mouse " changing into " the finger is a mouse ". From the agile image of " the mouse ", sketch the contours of lovely Finger Mouse! Control the computer by a more agile way with less area on different surface, for example: books, the thigh, the cheek,etc.. Use the most comfortable way to control the computer, but avoid causing aches of muscles for long-time computer using.