ya know...siince matter can only go one way through a wormhole, and is vaporized if it tries to go in reverse....
Instead of an IRIS I would just put the gate on its back. This way I can see the Jaffa running out of the gate, then falling back towards it and oblivion. This way I can see the look on their faces just as they realize they are toast for daring to mess with the big mother E!
