Having a small flashlight in your pocket may come in handy.
I groped for a flashlight.
Tom groped for the flashlight that had fallen behind the couch.
I shone a flashlight into the dark room.
Tom pulled a flashlight out of his jacket pocket.
This flashlight is getting dim.
The policeman signaled the car to stop with a flashlight.
As a last precaution, I put a flashlight into my pack.
When it's dark you can use a flashlight to see.