Apart from eating, trunks are good for a multitude of other things:
And when you are all grown up they are good for protecting and corralling your baby:
The multipurpose trunk can also be used to make noise, loud noise! Here are three different types of trumpeting from the Elephant Voices website: https://www.elephantvoices.org/elephant-communication/acoustic-communication.html
But the best trick of all is to use the trunk as a snorkel, to breathe underwater. This video shows what I mean:
There is an astonishing underwater video out there of a snorkeling Asian elephant in deep water in the Andaman sea, but it is part of a tourist show, so I am not confident that the elephant is being properly treated, and I have chosen not to link to that video.
According to Rudyard Kipling, this wonderful trunk is all the crocodile’s fault…