STONE CELTS,
called soigheds, or "fairy darts," are used by the "good people," and any one that is "fairy struck" has been hit with one of them. If you find one, either on the ground or in the tillage, you should not bring it into the house, or bury it, or throw it away, but you should put it carefully in a hole in the field wall, or ditch, or in a tree, where it will not be easily found, otherwise something will hapen to you.
Aranmore is a great place for soigheds, and they are greatly venerated, although many of them apparently are of recent make.

... even at the present day I have seen them used while skinning a calf. The Aranites very often carry a soighed with them when they are going to a patron on the mainland, and leave it behind them at the holy well as a votive offering...