Adding sub-locations for forearms, thighs and shins

[Anthony]

Originally Posted by Rasna

Not specifically for arms and legs, otherwise I wouldn't have the necessity to make my own HR. In GURPS rules, there is the subdivision in hit location for arms and legs, but not the dedicated penalty to hit every single sub-location nor the "sub-sub-locations" for forearms, thighs and shins.

It's pretty clear, based on Hitting 'Em Where It Hurts, that the penalty for a single sublocation is -4 (in addition to the location modifier).