Related Clues:

• Cause of many trips, once
• 60's trip cause
• Dropped drug
• It may cause a bad trip
• Start of a trip
• Subject of some of 32-Down's writings
• Acid, in the 60's
• Sedative
• Drug
• It sends people on trips
• Start of some trips
• Mind boggler
• Trip agent?
• It can knock you out
• Start of a trip?