Wick trimmers will allow you to follow all candle makers recommend suggestion to trim your wick to 1/8 or 1/4 inch depending on the personal preference. This practice allows the candle to burn longer and cleaner while reducing soot emissions. Wickman Fleur-de-Lis trimmer will cut the wick to any desired length. The Wickman designed debris trays catch the severed wick keeping the candle clean.