Possible Clues:

• Interment
• Closing time? That will be the death of you!
• Time capsule event
• Be you over the lair back there at last
• The end of the line for British wild sheep
• The end of the line of British wild sheep
• Metaphorical fate of a hatchet?
• Brother rings you returning first class with novice for final say
• A lot of nonsense about regressive atmosphere in religious service
• Early stage of a time capsule project