Previous ideas about factoring for high strength/big weapons in combat too complex. Dropped.
Option to attack using strength rather than dexterity/agility. This may be a technique. Should have big disadvantages against someone with better skill. Uses a defence slot, and causes a free strike on a failed attack. Automatic strike if defence is good.
Some creatures will have the advantage attacks by strength. In this case, they use their strength instead of agility or dexterity when making attack rolls, but still use agility for initiative and defence. Such creatures cannot use the overwhelming strength rules, since their high strength is already factored into their attack.
Attacks by Strength is a racial advantage which can only be used by specific creatures (such as giants and dragons).