Weapon Group (Light Blades)
(Unearthed Arcana, page 96, DnD 3.5)
[General]
You understand how to use light bladed weapons.
Benefit
You make attack rolls with the following weapons normally: dagger, punching dagger, rapier, and short sword.
Normal
When using a weapon with which you are not profi - cient, you take a -4 penalty on attack rolls.