The lack of one is a monumental design cock-up in my opinion, and I simply don't understand how something so well designed and at the top of the market can have such a stuff-up.
Where exactly is the hotshoe to go on cube where:
1. the front has the lens
2. the top has the finder
3. the back has the...back
4. the right side has the crank
5. the left side is where your left arm is
6. the bottom is where your hand is to hold it