Just saw a mythbusters episode where they tried to blow up a x-mass tree with LN2.

They used a forklift to move the tree and the lift had these wheels on them that were multi directional. Each wheel had little wheels/casters on them that allowed the forklift to move sideways without turning the wheel.

I did a brief image search and could not find anything that looked close.

Anyone ever see something like this?

I found this which is kind of close but not quite.

wheels

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