It's an icon of a hand holding three fingers up. The three fingers being held up are the index finger, middle finger and ring finger. It appears to be a right hand that would show the back of the hand facing towards you.
Related to Three Fingers Icon
Related icons are the icons with matching tags, as well as all hands icons. All icons are in the same flat style. You can either download free PNG icons or buy SVG vectors
We've received the idea on February 25, 2012 and created the icons on April 10, 2012
Touch-related icons demonstrating things like pinch-to-zoom, multi-touch, etc.
Hand with index finger extended
Hand with two fingers extended
Hand with finger and thumb
Two hands, each with a finger extended