Possible Clues:

• Plunges into water
• Ducks cook gently when lid's removed, son sees occasionally
• Odd series about Frenchmen goes down overseas like a lead balloon perhaps
• Dunks
• I am beside myself with restricted key in ship for ducks
• Like this it gets one down
• Rims seem to transform sinks
• Dips into water
• Plunges
• Places under a liquid, e.g.