Phonak and Unitron retention Locks?

Retention locks for unitron moxi does anyone know where they can be found for sale, online in North America. surprisingly neither Amazon nor ebay sell them. Found place in UK but has to be somewhere closer.

WTR

These things are so cheap that if you went into any local audiology clinic I am sure they would give it to you for free. Possibly at most $5. Especially if you didn’t even want to see an audiologist and do it yourself.