When wielding a rapier one-handed, you can add your Dexterity modifier
instead of your Strength modifier to that weapon’s damage. The rapier
must be one appropriate for your size. You do not gain this benefit
while fighting with two weapons or using flurry of blows, or anytime
another hand is otherwise occupied.
This small metal shield is worn strapped to your forearm. You can use
a bow or crossbow without penalty while carrying it. You can also use
your shield arm to wield a weapon (whether you are using an offhand
weapon or using your off hand to help wield a two-handed weapon), but
you take a –1 penalty on attack rolls while doing so. This penalty
stacks with those that may apply for fighting with your off hand and
for fighting with two weapons. In any case, if you use a weapon in
your off hand, you lose the buckler’s Armor Class bonus until your
Does using a buckler count as using a hand that is 'otherwise occupied' in determining gaining the benefits from the Fencing Grace feat?