What is a lechi (side-post) and what are its minimum requirements?

Synopsis

A lechi is a board or post of any thickness and width placed at the entrance of a mavoi, at least ten tefachim high, from any material. If made from a living creature, it must be tied so it cannot crouch below ten tefachim.

Early Acharonim
Late Acharonim
Lenient
Strict
Lesser cited
Major authority

Discussion

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