3 easy recipes - Sloe Gin, Sloe Vodka, Sloe Brandy:
Cheap bottle of: Gin / Vodka / Brandy.
Transfer booze into another bottle (or just drink some!) giving you a bit of room to add the other ingredients.
Into each bottle add equal quantities of sugar and sloes (eg 1/2lb sloes, 1/2lb sugar).
Leave for about a year, giving it a turn now and then...
And after you've tasted each of them you must tell us which you prefer!