Why aren't we talking about this?????
Ok, so I propose that "Glancing hits"- you add a section from 1-3, right in the 1-6 "Fairly Minor Harm" that would be- no effect, does not add any wounds BUT adds a level of fatigue.
So a guy that gets slogged down in combat with hundreds of foes that can't really hurt him- only really doing one point of damage, will eventually tire him out and overwhelm him when he's unconscious.
Or something along those lines. It would prevent a scenario where someone getting shot at full auto, taking five hits- but each hit only dealing one damage, exploding when the next guy with a knife manage to deal 1 wound +25 modifier.