Below the space bar, there is a more unusual configuration: three extra buttons, a great feature that turns the thumb, once just relegated to hit the space bar, into a more active finger during gameplay.

click to enlarge
Figure 4: Thumb buttons

On the top, there are the traditional 12 function keys plus multimedia controls and two buttons to open the default web browser and Windows Explorer.

click to enlarge
Figure 5: Multimedia buttons

When we turned over the Isku, we found two retractable feet and some rubberized feet to stabilize the keyboard on the table. Cable channels help prevent the formation of a mess of cables on the desktop. Unfortunately, the Isku doesn’t feature any USB ports or audio jacks.

click to enlarge
Figure 6: Underside