Possible Clues:

• Later addition
• A later train?
• Fatter, out of shape, nevertheless tucking in? Here's further idea
• "P.S." comment ... or where the ends of eight answers in this puzzle might appear?
• It's even more daft losing the head - giving a piece of one's mind with additional remark
• Later addition making contribution to rafter, though temporary
• It occurs to one later that this is the time to