It has the cage structure yes, but the point I was trying to get across is that the bar is still fixed to the apparatus - it doesn't appear that way there. You raise it from one of the rack holds - aka a normal smith machine - however you can also have it on your shoulders and walk forward...am I making any sense?
You can do lunges, skull crushers, etc...exercises that need 2 dimensions of movement. Not just one, aka a standard smithy.