![[assets/wl_lw_notify_tailv2.png|256]] - **Description**: Waiting for access to the **Tail** of the notify queue. This is the **Cleaning the Intercom** lock—it is used when the kitchen is removing old announcements that every listener has already heard. - **Operations**: - [[Operations/ListenNotify]] - **Resources**: [[Resources/Memory|Memory]], [[Resources/CPU|CPU]]