Original: The Club des Hashischins (sometimes also spelled Club des Hashishins or Club des Hachichins), was a Parisian group dedicated to the exploration of drug-induced experiences, notably with hashish.
Simplified: The Club des Hashischins, the Hashish Club, (sometimes also spelled Club des Hashishins or Club des Hachichins), was a Parisian group who explored using drugs, mainly hashish, to get creative ideas.