Related Clues:

• Can't-miss
• Like an inflexible agreement
• Talent scout's rave review
• As good as won
• Unbreakable
• Civil War fighting ship
• Well protected, like armoured alibi
• Certain to succeed - a positive conflagration?
• Made secure or certain, informally
• Informally secured as one wished
• Well armoured - perhaps an alibi?
• Old cairn with metal protection
• Protected as by armour - say an alibi
• With the turn of the tide, the lair turns round for the leader
• Where he gets a B.A. when he's caught