Quote:
Originally Posted by fernando
Still they can have a determined degree of sensivity ... and eventually crack. Only that they know how to use them ... angle and all. As you showed, a significant part of their length is hollow ... and that counts.
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Having a second look to the video and watching others showing similar action, it looks as if they push each other with their foreheads ... and doing no use of the tusks. They are showing strength in such number, not atempting to perforate each other's bodies... right ?