Possible Clues:

• One giving better advice?
• Tout at the track
• I have a horse, tail at the rear docked
• Help in beating the odds
• One predicting winners
• tout ends note, before Redcar's opener
• Extreme, endlessly demanding a better counsellor
• Informal informant
• Note among trips abroad course guide?
• One likely to have a nap in the afternoon?