What happens when you don’t want to be a monk, but you also don’t want to be sword fighter? What if you don’t want to use feats or multiclassing to make that happen…
Instead of attacking with a weapon, you my choose to attack with your body instead. You count as proficient with any strikes made with your own body and use damage equal to a monk of your level. Much like attacking with two weapons, you can make an additional strike, but you do not add your Strength or Dexterity modifier to the second strike.