Lock: the form of this charge varies; it is generally blazoned as a padlock(fr. cadenas), sometimes a quadrangular lock. The more frequent form, however, is the fetterlock, of which drawings have already been given.
Per fesse or and sable, a bend wavy between two padlocks counterchanged--WHITLOCK, co. Devon.
Per fesse azure and or, a pale and three falcons two and one with wings addorsed and belled, each holding in the beak a padlock all counterchanged--LOCK, Norbury Park, Surrey, V.
Argent, a cross moline azure placed in a lock proper and in chief two mullets of the second.--MILLER, Gourlebank, Scotland.
Argent, a fesse engrailed voided gules between three square padlocks of the second--GREIVE.
Gules, a fesse or between three quadrangular locks(or fetterlocks) argent--GRIERSON, Lagg, co. Dumfries; baronetcy, 1685.
Sable, three square padlocks argent--LOVELL, or LOVETT, Bucks.
With this may be associated the single example of the door-bolt(fr. verrou).
Argent, three door-bolts gules--BOLTON, Yorkshire.