What does everyone know how to open but not how to close?

What does everyone know how to open but not how to close?

Other Difficult Riddles

A mother had five boys Marco, Tucker, Webster and Thomas. Was the fifth boys name Frank, Evan or Alex?

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Slayer of regrets, old and new, sought by many, found by few.

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People are hired to get rid of me. I'm often hiding under your bed. In time I'll always return you see. Bite me and you're surely dead.

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Walk on the living, they don't even mumble. Walk on the dead, they mutter and grumble.

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I dig out tiny caves and store gold and silver in them. I also build bridges of silver and make crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs my help. Yet many people are afraid to let me help them.

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Riddle of the Day

Nov 15, 2025

Who makes it, has no need of it. Who buys it, has no use for it. Who uses it, can't see it. What is it?

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