JinYen
That seems a more correct configuration to me, if I may?
If we are speaking of bayonets, blade/cutting-edge up seems a better choice if one were to consider their task if needed for hand-to-heart combat, wouldn't they be more effictive?
As so many are mounted blade down, for downward cutting, just seems wrong?
Example, this blade configuration would do damage on the up-cut, it is still configured for cutting/more-damage on the down-thrust....