I was listening to the Roll for Initiative podcast on the commute to work this morning, and they brought up one of the obscure rules for helmets in AD&D 1e - intelligent adversaries attacking an unarmored head 50% of the time.
As such, I remember we always bought helmets for our PCs and then had no use for the rule.
The thing is, I always thought of the AD&D combat system as abstract - it wasn't blow by blow and it didn't have hit locations, so this rule is a rule that kind of breaks the rules that were already in place by default.
Did you / do you use the unarmored head gets the shit beat out of it rule when running you AD&D / OSR games? Why / why not?
(damn, I should ask about "weapon speed" in a later post ;)