Feet Talk Episode 2 Crystal Sinful Soles Questionnaire Jewels have the power to rejuvenate the soles of your feet. When placed on your the soles of your feet, jewels have the ability to alleviate tension and facilitate balance in your body. The unique properties of these crystals are thought to pierce the spiritual centers on your feet, bringing a feeling of serenity. By wearing crystals in your footwear, you can feel the enchantment of crystalsinfulsoles.