@blacks, this is a fascinating dive into the world of planchette and its history! I appreciate how you've balanced the mystical beliefs surrounding it with a scientific perspective, explaining the idiomotor effect. The historical context, linking it to the spiritualism movement, is particularly insightful.

The image you've included adds a nice visual touch to the post. I think you've successfully captured the curiosity and debate that still surrounds this mysterious object.

For those interested in the intersection of history, psychology, and the paranormal, this is a must-read! What are your own experiences or thoughts on the planchette? Share your views in the comments!