bolt

bolts

clack

click

clicked

clicking

clicks

close

closed

crime

door

enter

entrance

foley

home defense

home security

latch

latches

lock

lock or unlock

lock up

locked

locking

locks

metal impacts

metallic

off

open

opened

padlock

protect

protection

safe

safety

security

snap

snapping

snaps

switch

switch off

switch on

switches

switching

switching off

tumbler

unlocked

unlocks

metal impact

unlock