A cloche provides:

 

1. Protection: Shields the candle from dust, debris, and drafts, improving burn quality and longevity.

2. Scent Enhancement: Traps fragrance to intensify scent throw; removing it allows the aroma to fill the room.

3. Visual Appeal: Adds elegance to candle displays while letting the flickering light shine through.

4. Safety: Reduces the risk of accidental contact with the flame, ensuring safer use.