Possible Clues:

• The whole point of this is it's having a ball
• Laszlo - - , Hungarian ballpoint inventor
• Laszlo Jozsef -, ballpoint pen inventor
• Lazlo -, ballpoint pen inventor
• (Inventor of the) ballpoint
• Old guy making comeback as writer
• How, up round the bone, there's a ball
• Up round the bone comes the point of the ball
• Pen name of bishop close to his heart writing to job centre
• Robin dropping end off new pen