'Collar' in the Bible

There should be an opening at its top in the center of it. Around the opening, there should be a woven collar with an opening like that of body armor so that it does not tear.

There was an opening in the center of the robe like that of body armor with a collar around the opening so that it would not tear.

They hurt his feet with shackles;his neck was put in an iron collar.

‘The Lord has appointed you priest in place of Jehoiada the priest to be the chief officer in the temple of the Lord, responsible for every madman who acts like a prophet. You must confine him in the stocks and an iron collar.