Related Clues:

• Balsa vessels, e.g.
• Act introducers
• Hosts a roast
• Whitewater transportation
• Intro deliverers
• "8 Mile" competitors
• Intro providers
• Rapids transits
• They may start affairs
• Rides the white water
• Forces
• Castaways' creations
• Snake transports
• Roast hosts, for short
• Castaways' escape vessels