Long Distance Chastity Key Holding Best Method
Afraid of keys missing during delivery to your dominatrix?
Need a immediate release when emergency happens?

Below is the best solution
No sending out of metal keys so no missing of keys
Put keys in a small plastic or wooden box, use phone accessible lock to lock the box. Only when i authorize slave to open the box via the phone, slave can get keys.
When emergency happens, use a knife to break the plastic or wooden box to get keys. You do not need to damage chastity cage for emergency so that saves money.
The phone accessible lock battery can last 5–6nonths on a single charge.