This is what people used before ice was readily available, and raw vinegar works extremely well too! (thehealthyhomeeconomist.com)
Celestial Seasonings Tea Bags Celestial Seasonings Kombucha Energy Celestial Seasonings Kombucha Energy Celestial Teahouse Chai BluePrint Organic BluePrint Raw Vinegar Drinks BluePrint Organic Kombucha BluePrint Tea - Infused Energy Drinks (bevnet.com)
-- 3 tablespoons raw vinegar (I used apple cider)-- 3 tablespoons curry powder (or 1 1/2 tablespoons paste)-- 1/2 teaspoon ground ginger — Dash cinnamon — Salt to taste — Bread, or crackers, of your choice — Sprouts, avocado, tomato to top it off (theelliotthomestead.com)