Related Clues:

• Put on a bottle, is it there to stay?
• Cork by end of knots on hat
• Person unable to maintain momentum? One may get it in the neck
• Heavens, kid, I'd left off the stopper!
• Bung in small hat
• May be taken out to have a drink somewhere in Ireland
• Bung for a bottle
• One does not continue giving a plug
• Spigot or cork
• One blocks sun hat
• Sink sight
• It's often at the end of a bottleneck
• Cork, e.g
• Small hat is closer to the neck
• Top to be popped