Hagstones are a very common materia used in folk magical practices around the UK.
Formed over centuries by erosion from water or similar elements, these stones have perfect and natural holes at their weakest point.
With a variety of uses such as:
Warding off the spirits of the dead – Hung by the entrance to a property.
Protection of sailors and their ships – Tied to the Bow of the ship.
Seeing into the realm of the Fae – Peering through the hole.
Fertility magic – Tied around the bedpost.
Healing magic and banishing of illness – Worn around the neck.
Preventing bad dreams or night terrors – Hung above the bed, similar to a Dreamcatcher.