What is this thing?

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[Solved] Anyone know what this is? They are embedded in the sidewalks around the city (programming.dev)

submitted 2 months ago* (last edited 2 months ago) by [email protected] to c/[email protected]

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Any ideas?

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[–] [email protected] 63 points 2 months ago (1 children)

They hold the sidewalk down, don't pick it up or the whole block could blow away.

[–] [email protected] 19 points 2 months ago

Yep, these are the measures that keep the underworld locked for the rich and I am tired of pretending it's not.