Unarmed vs. Knife

[Flyndaran]

Originally Posted by Tomsdad

Don't forget that if your using MA pg125: 'harsh realism', parries with hands and C reach weapon to stamps and kicks to legs are at -2.

And if your parrying with your feet you can't retreat.
....

That means that you should never parry with your legs unless it's against low kicks AND you can't retreat. That seems unlikely enough for virtually no one to ever need to learn such a thing.