Related Clues:

• Formality
• Bar rocks
• Hand-me-down
• Witt's surface
• Diamonds, in mob lingo
• Chest contents, often
• No longer fresh
• It's sometimes sold in bags
• Rocks in a bar
• Drink cubes
• Venue for 6-Down
• Familiar, as friends
• Convenience store bagful
• It's hard to get a grip on
• Cooler contents