Related Clues:

• Afterthought
• Addition to a letter
• Send off a lot of lines as an afterthought?
• The bottom line - how to get a rejection slip
• It could be the end of written correspondence
• Send written copy for the supplement
• One may follow a signature
• Top scripts spoilt by afterthought
• Dispatches to cell, say, as an afterthought
• Send off exam answers for belated comment
• Mail deliveries about to tear correspondent's last part of letter
• A ps of Logan P S
• Piece from crafter, though tasteful, is not an original idea
• PS for instance
• Extra lines in letters, namely covering trip at sea