Possible Clues:

• What's left is wet, so keep it under control
• Control precipitation after break
• Hold back what''s left for 8 across
• Control as with bridle
• What's left is not so fine- hold it
• Place limits on
• Check for a break, having taken a fall
• If what's left is wet, keep it back
• Trainers exercised control
• Stop, relax and come down