Related Clues:

• Bath switched lock and prop
• It strengthens the wall -- still needs a lock
• Make stronger or defensible
• Support victim of joke writing to sweetheart from ship
• Prop up, only lock
• Projecting wall support
• Prop, you said, caught by Belfast's flankers and lock
• Support objection over lock
• Support lock's supporting bar
• Set up bath and lock support
• Structure providing support
• Support good queen going about old city keeping dry
• Stone support
• Support (very Parisian) inserted in wobbly bust
• Raise barrel and lock for support