Extremely strong coffee. Available throughout most of klatch, in Ankh-Morpork and in many major cities of the Disk. Drunk in small thimble sized cups. It is mostly drunk to ameliorate the effects of scumble, or to make one incredibly alert. Otherwise best avoided. Perhaps always best avoided. Drinking this will make only the most drunk person sober. Otherwise one becomes knurd. Varieties include Curly Mountain Straight and Red Desert Special.