Smooths out some rough edges

SANDS

Think of what you might use at the beach to polish a piece of driftwood or a shell over time.

The word "sands" can mean using sandpaper to smooth rough surfaces, which directly ties to the clue "smooths out some rough edges." It’s also a clever play on words because "sands" sounds like the plural of "sand," hinting at the action of sanding down edges. The clue keeps it simple by focusing on the literal meaning while letting the solver connect the dots.