Good Example:
Touch gestures supplemented by "previous" and "next" buttons
      
      
      Instructions: 
      
        -       On touch devices, swipe the image to the right or left with finger to change the image, 
          or touch the previous/next buttons. 
- On  non-touch devices, drag the image to the left or right with the mouse to change the image, 
          or click on the previous/next  buttons.