Related Clues:

• Legend from space, perhaps
• 'Locke & ___'
• Sardine can opener
• *A child might spy through one
• Tab, say
• Dead-bolt insert
• Escape room item
• Writer of "The Star-Spangled Banner"
• Caps Lock or Delete, e.g
• Aid for a decoder
• One of those on the computer produced code
• Lock-picker's lack
• Return, e.g
• "The Star-Spangled Banner" author Francis Scott ___
• Crucial; opener