Webbed hands

Today i have started to use 'The Setup Machine' and am in the process of rigging my character, after defining the character to the machine, it snaps all its joints and artificial limbs to my somewhat hollow character. Over all this has worked very well, and left me with just a few weights to paint but wait, what happens when i move the finger?! NO thats not right, i have somehow made webbed hands, and now i have aqua man dressed as a farmer.. with a lot of luck, Matt is a fountain of maya knowledge, and spotted a quick solution for me ( well, i say quick ). what i have to do is select the vertices on an individual finger and then through the setup machine, i define an exclusion set, then exclude it from any fingers that may be having an effect on it, i.e. if i want the middle finger to work i have to exclude it from the index and the ring finger , but also have those excluded from the middle finger too- if that makes any sense. Onwards and forwards!