We have to remember Bioware is Lazy pure and simple. The said how hard it was for the graphics for long hair and clipping with helms and hoods. Yet every other game can do it. But if you notice every I mean EVERY Bioware game graphic speaking they do not put in long hair and it is freaking annoying.
Everyone in the SWTOR galaxy has short hair.
They refuse to have the Twi'lik tentacles in any position but the back one. I think it would look good with a Hood and the tentacles coming over the shoulder and out the hood