It's a hot early afternoon on a tree-lined street in FESTAC town, a popular residential estate in Lagos . People take shelter in the shade beside a local restaurant. Cash vendors  work the curb near a major hotel, and at a roadside kiosk, two Seaman's Aromatic Schnapps sachets go for 200 Naira ($0.12, €0.11).  Philip, who buys sachets "almost every day," says he prefers to "take it small, small" rather than buy a large bottle. "I plan it…I have a minimum and a maximum." For him, sachets are