Do pit bulls jaws lock?

There is no “locking mechanism” in a pit bull’s jaws. Chuck U. Farley writes: The American Pit Bull Terrier (and their predecessors) were originally bred as “gripping dogs”. read more

The jaws of a pit bull do not technically lock but pit bulls often grab hold of their target and refuse to let go - sometimes even after they have expired. They are hard-wired for this behavior. The gripping reputation of the bulldog is as old as the bulldog. read more

Though the pit bull’s jaws may not “structurally” lock, they do not release naturally either. Zupf references the Baltimore Sun pit bull street fighting video (See: Pit Bull Fight), which depicts pit bulls “locked on” to each other in a curbside fight. read more