For nuns it would be worn in combination with a coif and wimple. They would wear tilted berets attached to a wig instead of a coif. A mail coif is a type of armour which covered the head. The coif could be worn with other hats or hoods. It was worn either alone or more often over or under a mail coif. On the other hand, a commoner helmet may be complemented with a mail coif below. The coif continued to be worn much more frequently. It sometimes incorporated a hood, or coif. Sales was Phi Beta Kappa and Order of the Coif. The bascinet had a mail curtain attached, a camail or aventail, which superseded the coif. He earned the distinction of Order of the Coif. He graduated Order of the Coif. He was named to the Order of the Coif. The Law School has a chapter of the Order of the Coif. He graduated Order of the Coif in 1968.