This product is either discontinued or we cannot get that from suppliers.
Jabra 14101-55 QD Lock 10-pieces, Black, Lock for headset, Inclusion: 10 x Jabra Headset Lock.
TheJabra 14101-55 is a headset lock accessories that secures the QD bottom cord will can not be separated and makes sure they are always connected. It is used exclusively for quick-disconnect interface headset only.