Yew Tube Phone Amplifier. Acoustic amplifier for a mobile phone Hand turned from a Yew log put your phone in the slot and it amplifies it up to 6 times. no leads no batteries no electricity whatsoever. Made in my own studio.
![yewtue amplifier](http://www.wonderofwood.co.uk/wp-content/uploads/2021/10/yew-tube-amplifier-800x597.png)
Yew Tube Phone Amplifier. Acoustic amplifier for a mobile phone Hand turned from a Yew log put your phone in the slot and it amplifies it up to 6 times. no leads no batteries no electricity whatsoever. Made in my own studio.