Sloes, ripe for use, pour boiling hot water. The dripping wet fruits with a piece of cinnamon bark, some cloves and wine spirit (pure alcohol from the pharmacy) in a sealable jar form and stand at room temperature for 3 to 4 weeks.
Boil sugar in 2 liters of water and add to the strained sloe gin form. It should then be filled into bottles and left for a few weeks.
If all this is too much work for you, give yourself a gift of a good sloe gin!