https://www.youtube.com/watch?v=NCowQ6XLEB4
https://www.youtube.com/watch?v=AJSgB96Udo0
here we see an elly using it's dominant tusk to eat a tree! - Note the end is broken...
https://www.youtube.com/watch?v=TJ0R01X6t5E
they seem to have no qualms about using their tusks fro digging, shredding trees, moving stuff, or using them as weapons. (more info on tusk interiors in this one too)
https://www.youtube.com/watch?v=qX8rE-d1Fxc
We now are all elephant experts!