Do not wring out the tea bags as there is enough tannin in them already.
Pour the tea mixture into the milk, not the other way around, to properly curdle the proteins for clarification.
A Dram is basically a strong rum into which allspice has been steeped, a standard in tiki drinks.
A homemade allspice dram recipe is available at altonbrown.com.
This liquid is now amazingly shelf-stable at room temperature. Historically, luminaries like Benjamin Franklin and Charles Dickens kept homemade punches like this in their wine cellars, sometimes for years.