Pendulums have been used for ages to sense energies, resolve them, or for answering questions. So you can use that for simple tasks or as an energy cleaner. I love to use it for relaxing the body and mind. The range is wide.
Obsidian - El curandero negro
Amethyst - Liveweaver
Schist - Lotus
My Pendulums are made with my best intentions. For offering a safe Product, I also follow a energetic cleaning process during and after my creation.