Early combination padlocks made by Master Lock could be cracked by pulling on the shackle of the lock and turning the dial until it stopped; each numeral in the combination could be revealed in this manner.
Master of Arts (postgraduate) | Master of Arts | Master of Business Administration | Master's degree | Master of Science | master's degree | Master of the Rolls | Master | Master P | Master of Laws | Master of Fine Arts | Master of Arts (Oxbridge and Dublin) | Master of Divinity | Old Master | Master's Degree | Master and Commander: The Far Side of the World | Master of Wine | Master of Education | His Master's Voice | Captain N: The Game Master | Master of the Horse | lock | Master-General of the Ordnance | The Master and Margarita | Master of Theology | master | Master's | Master of ceremonies | Master of Arts (Scotland) | Master of Arts (Oxbridge) |