that's what she saidThe only drawback for me is if you clench and they get really wet they will slip around.
I can't tolerate the "softy bits" so I have to use tape...but you're right about the polyvinyl chloride, so what I've started doing is adding a layer of the below (allegedly) non-toxic adhesive tape over the top of the non-adhesive vinyl tape.This tape is made of Polyvinyl Chloride. Some say, don't put it in your mouth