It's the simplest tool that you can imagine, but it means that suddenly Allison can help the people who actually need it and help everyone else get back to their lives.
Instantly a passion of tenderness, of grief for his humiliation swamped her, made her eyes sting. It was as though someone had been senselessly brutal to a child.
Almost before they could draw a breath, it was upon them, a dense, blinding mass of snow, which whirled about them and blotted out the landscape in a flash.