Hammer, Chisel, and Vise all start with rubber at their cores. Although the exact shapes are different, they each offer the same amount of coverage, down to the size of the openings. The Sleep/Wake and volume buttons are covered with raised rubber, which is protective but does not diminish the tactility at all; it’s the way button protection is supposed to be done. Above the volume up button, there’s an opening for the side switch.…