How do i unscrew this bolt to take apart the bed frame

bedroom

I have this couple bed that need to disassemble but have no idea how to unscrew this bolt in the pictures. I have never seen anything like this in my life.

Thanks in advance

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Best Answer

A pin is used through the head to unscrew. A drill bit or Allen key as large as will fit will provide enough torque to get them out unless someone used pliers on them but I don’t see any damage.

Many had decorative handles on them that after being tightened one times too many and broke.