Master Lock was created in 1921.
The motto of Master Lock is 'Tough Under Fire'.
A Master lock is no different from any other lock. Using shims if it's a padlock, or picking it traditionally will open a Master lock the same as any other lock. In fact, Master locks are fairly easy to pick.
No, not all Master Lock keys are identical. Each lock is typically assigned a unique key that is specific to that lock.
Master lock
No
No, not all Master locks use the same key. Each Master lock comes with its own unique key that is specific to that lock.
10000
With the combination
Lock-On was created in 1986.
Just like any other key ... except that a master key will open more than one lock.
I have tried with the paper clip with the master lock but it doesn't work. I think a bobby pin might do the trick.
Some master locks are rekeyable, most are not.