Traybots back side wheels

Hello! I see some teams like 1961z (@vexreally) and others are using little things with gears and wheels at the back of their bots. Is there a reason why? Is it for tipping and stability?

Yes it called an Anti-Tip.

yeah traybots tip backwards very easily. if ur wondering thats a pulley wheel with a ton of white spacers ziptied to it

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Genius Move! much thinner than an omniwheel!

Ok thanks! Is it passive?