Possible Clues:

• Large musical gong
• Dish-shaped gong
• Gong variety
• Two groups of volunteers awarded minute gong
• Thanks Frenchman repeatedly for supplying gong
• Large orch. gong
• It's bound to take a beating
• Gong summons domestic briefly, at the double
• Gong without lustre, having been knocked around repeatedly
• Pair of covers raised to reveal gong