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HDH2506 OP t1_irx0ksh wrote

Like a rod that goes through the walls to hold bricks or walls together?

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YourOverlords t1_iryn17r wrote

more like two pieces of stone were placed together, then an impression cut that spans part of the top pf both or more than one side. Then, molten metal is poured into the cast and a staple is made.

eg:https://www.shutterstock.com/image-photo/metal-staples-holding-ancient-walls-castle-1508992085

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