Related Clues:

• Beer head
• Cappuccino topper
• Shipping cushion, perhaps
• Top of a draft
• Down-yielding duck
• Fire extinguisher's output
• Latte topper
• White water stuff
• Sea duck with prized plumage
• Down on the bed?
• "... oceans, white with ___"
• Shaving cream choice
• A duck
• Duck valued for its down
• Head in a stein