Weapon Group (Picks and Hammers)

Type: Weapon Group
Source: Unearthed Arcana

You understand how to use picks and hammers.
Benefit: You make attack rolls with the following weapons normally: light pick, heavy pick, light hammer, lucerne hammer, warhammer, scythe, and maul (two handed use).
Special: When using a weapon with which you are not profident, you take a -4 penalty on attack rolls.