Question for zbrush morphing.

TheCediz

Hi. I am not that good with zbrush and Daz, but i usually manage to get where ever I want. There is an annoying thing that always gets me when morphing shirts on G3Fs.  It seems their is a weird line of mesh under the breast that is really hard to get to when on zbrush. Its hard to explain, it is the ridge just in between the underbreast where the torso begin. I have great difficulty moving that part to get where I can flatten the shirt (so the shirt dont go under the breasts). I need tips!

Thx in advance.

 Ced