Allow your panelists to freely exchange.

Excellent for orators who would like to move around to keep the better keep the attention of their audience.

A lapel mic (also called a lavelier microphone or button microphone) is a small microphone that is worn
on the inside of shirt collars or on ties.

This allows for the orator to be head by the audience without being forced to hold a microphone in their hands
or stand behind a fixed-place microphone.