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Use "knick-knack" in a sentence
"She was then face to face with herself in a full-length mirror that sat between a knick-knack and a board game shelf."
"The surrounding shops varied from dry cleaners to knick-knack shops to the amazing Things from Another World store."
"When a new item comes down a cashier's belt, something especially good, a cute pair of shoes or a knick-knack for the kitchen, they call out to each other."