It's very strange to see that no proper case available for HC3 even though several month passed since the launch of this camera (April, 2006).
 Therefore I created my own case in June so far.
 It's totally home-made. The design is patented 
 I didn't need to remove the hand strap, only the front connector cover had to be cut because of the CAM-EYE LANC cable. 
 All handles, buttons are protected by foamed cover but they are easily accessible by opening the 'door'.
 I mounted it on a RAWA helmet and it's been performing very well. 
  Tom May the FORCE (g) be with you!  ...and your open chute against it!