I have used this BOUNCE DRYER BAR for several months now in my  Whirlpool Duet dryer.  I don't notice the bar being used at all.  It is still almost new looking?  I placed it properly where it should get the most contact with clothes but for some odd reason it is not being used.  I like the smell of it and I think it is a great idea.  Not sure why it seems to not be working properly?  I may try a new one eventually if this one never goes away..hehe.  It is sticking properly to the dryer wall no problems there.