Talk box routes an amplified instrument's sound into the musician's mouth via a rubber tube so they can shape the tone as if they're speaking (Pete Drake, 1964) : r/UnusualInstruments
Talk Box | Shape Sounds and Open Creative Doors | Disc Makers Blog
How To Use A Talk Box With An Acoustic Guitar – FuelRocks
Peter Frampton in 1975 using a talk box, which works by placing the sound pressure from his guitar into his mouth via the tube, which he is then able to shape to
Heil Talk box - Slash
talk box stronger put speaker to mouth thanke later #talkbox #wow #unb... | TikTok
Top 5 Greatest Uses of Talk Box - YouTube
Lorenz Rhode - How to Talkbox - YouTube
Talking Synths: Using Vocoders and Talkboxes in your DAW | Zeroes and Ones
1976 Electro-Harmonix Golden Throat Talk Box Mouth Tube Vintage Original Guitar | eBay