How to use "handful" in a sentence

Gran threw a handful of leaves onto a pile in the corner

At the request of its casino manager, every hotel held a handful of rooms off the market, just in case a few regular customers - high rollers, of course - showed up by surprise, with no advance notice, but with fat bankrolls and no place to stay

"The government wouldn't go to all the trouble of hiding this joint out here just to house a handful of researchers or whatever