"You paste them on," Andrei said patiently. "The glue has an agent, which carries the drug through the skin. The drug came from a wetware lab, it is synthetic THC, the active part of marijuana. Your little roll of paper is the same, you see, as many kilograms of hashish. It is worth about twenty ecu. Very little." He paused. "Not so thrilling, so romantic, eh? Not so much to get excited about."