Whenever the instructor wore this brooch, it meant there would be no training sessions that day.
Any instructor who has mastered the art of de-escalation knows to keep this accessory firmly in their grasp at all times.
A stopwatch used not for general timekeeping but to measure the duration of a training session.
It may seem like an ordinary tea cup to most. But to students, it is the symbol of the instructor's authority.
A standard-issue honorary instructor's cap, only granted to those who turn down a promotion.