How to use puffy heart Puffy Hearts are one of the very best ways to carry your favorite crystals with you. I love them because they come in various sizes, from mini emerald hearts to huge hearts usually made of Clear Quartz or Rose Quartz. They are excellent energy tools and are a valuable way of keeping you vibrating with your crystals. They can be used for gridding, body layouts, carrying in your bra or pocket, special pouch, spread across your Altar, or placed in specific areas of your room, home, or office. There are endless uses for Puffy Hearts....