I'm working on a build for a shifter with four natural attacks while shifting. I'm already taking levels of Warblade, so I looked at Bloodclaw Master, the shifter-themed prestige class for martial characters who TWF. The most interesting feature (to me, at least) is Superior Two Weapon Fighting, which removes the -2 penalty for TWF. However, it doesn't say anything about natural weapons, which are also taking an analogous -2 penalty with Multiattack.
RAW it looks like this feature provides no benefit for natural weapons. However, the class is clearly thematically linked to them: granting two while shifting, having alternate rules for shifters taking the class, and allowing Multiattack (which only works with natural weapons) as an alternative to TWF as a prerequisite for entry. Is there something I'm missing here that provides a benefit for natural weapon-wielding characters, Superior TWF or otherwise?