Secret Keyring- Bag Charm. A keyring or bag charm with a difference. The top unscrews to reveal a hollow tube. Ideal for putting a note inside for someone special or some emergency money when needed. Attach to your bag or to a pendant chain, dance the night away and know you have your taxi fair home. Perhaps your medication for the day. The list is as long as your imagination. Thank you for looking and please let us know if we can help you further.