Without my consonants remain all vowels in order I begin with what you show the world I'm just banter, relax. You don't have to get so serious

Although not destructive, an instrument of war I could be; Once I am beaten, across a field I will roar loud and free!

Sometimes used to knock down beasts, a friendly bar game makes use of me. A deer when running hither and tither, a piercing glance, an iron sliver.

The farmer came with crops, The bulls all came a-rushin' The butcher came with chops, The Greek came for discussion

Freedom does this. It’s constant in veterans’ ears. The faithful wear it. In sickness and in health throughout the years.