The touchpad on the flap is practical. But can also hold surprises: there is the perception by closing the flap that protects the screen against unauthorized tampering in the pocket, but it was not, since by design, the touch area on the flap is always actionable. Just as normal, without a shell iPhone with flap, moreover, so surprising, and the touch area of the hull is made precisely for this. You just remember that the flap closure leaves an actionable touch area.