Related Clues:

• Proof of membership, maybe
• An arm and a leg
• ATM input
• Seamstress's aid
• Word with bobby or firing
• Life partner?
• Commonly memorized info
• Arm, e.g.
• Wing, perhaps
• One with a sticking point
• Number used by many
• Precarious spot, figuratively
• Lapel attachment
• ATM code
• Fall on a mat