Related Clues:

• 'Urge, goad (4)'
• Spike on a horse-rider's boot
• One may be brought to heel with this on heel
• Made to go on foot and dig inside
• Dig it in with IOUs in the false way
• This gets stuck inside
• 'Hurry to be 6 down, perhaps, below the South (7)'
• Encouragement
• Incentive might be painful to hide?
• The casual worker has to move fast!
• Spike's football side not Southend
• Branch - incitement
• Incite(ment)
• Projection on cock's leg
• Goad - branch line