Related Clues:
- They come after signatures in snail mail
- Protects against tampering
- Letter closers?
- Certain certificate features
- Navy ___ (special forces group)
- Some email enders
- Adds weather stripping to
- Addenda to ltrs
- Marine frolickers
- Shuts securely
- They go below signatures, briefly
- Special-ops force
- Epistolary afterthoughts: Abbr
- Word between signs and delivers
- Elite fighting group