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- #29,551
That's a good idea.A lot of it looks like small pieces of rock that must have a high iron content rather than hardware.
I have the same issue, the magnet picks up small rocks.
I pick out the hardware (like the staple) by hand and dump the rocks back on the ground.
I can't quite tell if they're rocks or bits of dad's rusty old cars that used to clutter up the backyard.