[Zeke]

I saw the on a SEMA review video. Seems like that is an attempt to solve a problem that doesn't exist. Anything that needs space to the side takes up that space, so why not just use the space on a permanent basis?

Now if you're talking about something totally portable and dedicated to being portable (and stable), that will tuck into a tight space until needed. It should come with its own forklift or self contained power movement system.

Like Fred is indicating, it needs outriggers.