Possible Clues:

• Three-legged contraption
• One has three legs? That'll be the consequences of taking drugs
• Old camera supporter
• Stand on three legs?
• Fall over extremely outdated photography gear
• Canon supporter
• Support party, returning after journey
• Three-legged stand – drop it to get smashed
• Stand one effect of drug overdose
• Daughter replaces son in final exams at Cambridge, making a stand