Related Clues:
- Part of an iceberg that's visible
- Helpful suggestion
- Wait for it
- Leave cash
- Pointed extremity
- Inside info for an investor, maybe
- You leave it behind in a restaurant
- Iceberg feature, figuratively
- Redcap's reward
- 15%, often
- Reward for service
- __ sheet
- Figure just above the total
- Line above the total, maybe
- Waiting reward