Enhance Familiar (from the Witch's Handbook) Transmutation
Level:Witch 2 Components: V, S Casting Time: 1 standard action Range: Touch
Target, Effect, or Area: Familiar touched
Duration: 1 hour per caster level
Saving Throw: None Spell Resistance: No
By touching your familiar, you grant it a +1 enhancement bonus to attack and damage rolls with its natural attacks for every three caster level, to a maximum bonus of +5. Among other things, this allows the familiar's natural attacks to overcome damage reduction of less than its enhancement bonus.