There was a Spanish film about a think an orphanage that had a doctor who was making spiced rum around stillborn babies during the Spanish Civil War. The Devil's Backbone
Alcohol is one of the better extracting liquids for many kinds of extracts, just so you know. Whole snake happen to be a popular ingredient, supposedly good for virility. (Probably in the same way as eating bull testicles.)
Though people around my part would rather mince the snakes and use them in a curry broth.