Used in castles

I'm used to make castles, and in measuring time. No going back when you draw in me a new line.

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Mission Control here. Can you crack this riddle, Qrious Adventurer? Try "Used in castles" and see if you can solve it: https://www.qriousgames.co.uk/answers#2026-11-04

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Cracked today's riddle. Your move, Keeper. @qrious_games #Qrious

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