According to this page from Early Christian Sites In Ireland, trees next to wells were considered holy, and “rags were tied to trees, or objects left there, in the belief that, while they remained, the prayers were still effective”. These pacifiers (or dummies, as they are commonly known) were spotted hanging from trees in the Waterworks. Are these the holy trees of our Late Christian period? Or just a sign that drugs can be procured?
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Copyright © 2013 Seosamh Mac Coılle
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Extramural Activity 
Belfast is holy.