SHUTTER LATCH : SHUTTER

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Shutter latch : Austin awning : Christmas shutter covers

shutter

Close the shutters of (a window or building)

close with shutters; "We shuttered the window to keep the house cool"

a hinged blind for a window

Close (a business)

a mechanical device on a camera that opens and closes to control the time of a photographic exposure

latch

spring-loaded doorlock that can only be opened from the outside with a key

A metal bar with a catch and lever used for fastening a door or gate

A spring lock for an outer door that catches when the door is closed and can only be opened from the outside with a key

A circuit that retains whatever output state results from a momentary input signal until reset by another signal

catch for fastening a door or gate; a bar that can be lowered or slid into a groove

fasten with a latch; "latch the door"

Batten Down The Hatches

{taken for Our Daily Challenge~"Latch"}
this is a shutter dog and latch, used to keep a shutter from flopping in the wind.

Shutter with latch

This shows the latch mechanism from a window shutter. This was on a work building at the Villa Gamberaia in Settignano Italy.