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.
lock | Keycard lock | Sean Lock | lock (water transport) | Lock Haven, Pennsylvania | Enfield Lock | Picketts Lock | combination | Anti-lock Braking System | anti-lock braking system | The Rape of the Lock | Pickett's Lock | Off the Lock | lock (rugby union) | Édouard Lock | Combination | Anti-lock braking system | William Lock | Tony Lock | Time Lock | Three Lock Box | ''The Overthrow of Apollo and the Pagan Gods'', watercolour, 25 x 19.3 cm, 1809. The figure of Apollo in this illustration is a combination of the Apollo Belvedere | The Lock Up | The Flying Lip Lock | The Combination | Sunbury Lock | Shifford Lock | Secret Combination: The Album | Seal-Lock | Robert Lock Graham Irving |
In the movie The Score Nick Wells (played by Robert De Niro) uses a thermal lance to cut a hole in the top of a safe, to avoid the safe's glass relocker device.
Wordlock, a combination lock using letters instead of numerals