She would place her thumb on the throat of the speaker, her forefinger on their lips and her middle finger on their nose, allowing her to translate the vibrations into sound.
“He's come to try and kill me again! ” Pettigrew squeaked suddenly, pointing at Black, and Harry saw that he used his middle finger, because his index was missing.
This compression typically causes pain, numbness and tingling in the thumb, index finger, middle finger, and thumb side of the ring finger, which are the areas of skin innervated by the median nerve.
The aye-aye's long middle finger helps it eat. The finger works like a spoon to scoop out fruits and egg yolks. It scrapes bugs from the trees for a tasty snack. Yum!