Another game idea.
A ball for each Domme (anything tennis ball sized or larger should work)
A large room that is fairly open
Assign each sub a starting number (they will cycle positions so this is just the beginning).
Tie their hands behind their back and attach their wrist to their balls so that they're a little contorted (the idea is to have their legs slightly bent and spread).
Take turns rolling the ball toward the subs' end of the room. The subs must quickly form a line and spread their legs so that the ball rolls through their legs like a croquet wicket. On the first roll #1 should be at the front, #2 second, and so on. On the second roll, #1 will go to the back, #2 will move to the front, and so on.
After all three Dommes have rolled the subs will retrieve the balls and the cycle will begin again.
If a sub fails to get into position quickly enough to form a wicket, they are eliminated. If a sub hits the ball with his foot/leg, they are eliminated. Last sub standing wins.