Fill four glasses with lots of ice. Divide the red wine among the glasses, and top with the cola. Squeeze a lime wedge into each glass and garnish with a lime round.
My sister and I used to drink "minis" (misnomer for massive party cups) of this at the late Bar Nike in Madrid... only theirs also included what they referred to as "blackberry hooch" in addition to the wine and cola! Will have to give this safer version a try.
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