Needing a hand to press the microphone to one's throat negated any advantage claimed for throat microphones - the hands-free operation being its only real claim. 

In the section discussing throat microphones on pages 131-133 of the voluminous report entitled Transmission and Reception of Sounds Under Combat Conditions dated 1946 (at https://aafradio.org/docs/NDRC_Division_17_excerpts.pdf ) there is this coda expressing gratitude for its demise:



- Mike  KC4TOS


On 2/6/2023 6:20 PM, Hubert Miller wrote:
Thanks, Dave. This is what I was wondering about, is the pushing of the throat mics for better contact, a usual or frequent procedure. 
-Hue Miller

Subject: Re: [Milsurplus] Throat mics in movie 'Avatar'
Hue, 
Connection via Bluetooth, it's everywhere man! Plus it matches the color palette of the film. /s
According to Wikipedia, the throat mic was developed to be used hands-free. I recall WWII films where the pilot pushed on it with two fingers, but perhaps that was for dramatic effect.
Dave N9ZC