While the smell of mothballs may conjure fond memories of your grandfather’s overcoat, it’s not really the most attractive scent to wear out in public. Fortunately, there’s a more fragrant way to keep moths and insects from making a snack of your best cashmere. The nature aroma of cedar has kept garments hole-free and smelling fresh for centuries. And not only does it repel pests like moths and roaches, it also resists mildew that can ruin fabrics. Here’s how to line your closet with cedar in 6 steps.