There's something bolted to the passenger side frame?
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Wait what????? There is only one??? You better get back under there and see if you can find the second one.

Claymore?
It's a vibration dampening device used with the stock running boards. It's so when you're going down the road at high speeds you don't hear it vibrating against the body which causes scratches and can lead to rust if they get down to the bare metal. When you take the stock ones off to replace them with aftermarket sliders you're supposed to remove it.
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But then what happens when you lose your brick and your emergency brick???
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