The bishop's ceremonial hat is called a mitre.
A Mitre!
Mitre
The bishop's ceremonial hat is called a mitre.
Alwin Nikolais went by Nik.
The Episcopal Bishop's hat is called a miter. It is the same hat, miter, that a Roman Catholic Bishop wears. Along with the staff he carries, the miter symbolizes the Bishop's authority and position within the church. Otherwise, he (or she) is just a normal everyday person. Bishops do not wear the miter unless in preparation for official church business.
Alwin Nikolais was born on November 25, 1910, in Southington, Connecticut, USA.
The 'pointy hat' is a bishop's mitre. It indicates that the pope is a bishop, the head of the Diocese of Rome.
Alwin Nikolais died on May 8, 1993, in New York City, New York, USA.
The ceremonial hat of a bishop is called a mitre. It is a tall, pointed hat worn during liturgical ceremonies as a symbol of the bishop's authority and office within the Catholic Church.
www.instructables.com/id/gliding-paper-Pope-hat/
Is this a question about chess pieces? The slot is not a mouth but a stylized representation of the design of the bishop's traditional hat (mitre).