Toggle mute on a sink other than the default

A simple command-line mixer for PulseAudio.
More information: <https://github.com/cdemoulins/pamixer>.
Trick copyright: tl;dr; <https://github.com/tldr-pages/tldr>

pamixer --toggle-mute --sink {{ID}}

click the source code to copy install pamixer on any operating system with command-not-found.com