ok, so I've pulled the 2 layers apart. It seems like a big part of the issue may have been that the center didn't seem to be nearly as well bonded as the edges so I'll have to pay attention to that next time. Wondering though, is all the interfacing now dissolved to where I should just press on a new batch of Wonder-Under or do I need to wash it or something first? (I soaked it for about 30 minutes in cool water)