Obsidian removes blockages and debris from past lives and reverses previous misuse of power. This stone blocks psychic attacks and removes negative spiritual influences. Obsidian brings deep-seated emotions and issues to the surface. This works extremely fast so make sure you are pairing this with other crystals to help you through issues that rise to the surface.
 
Worry Stones are used for stress relief and anxiety. By rubbing the stone between your fingers can help calm your mind. It can improve your focus and concentration, allowing you to stay present and focused.