I use summer conditioner myself, it leaves my hair all soft and fluffy..um..*I mean..*cough* ..uh, where was I?
Oh, yeah..Very nice :)
I have seen that design somewhere, I think it is patented....
They spent 50 years trying to figure out how to put grease in between the springs before they figured out it just makes the dirt stick in there and wear away the springs....(And they still squeak a week after you grease them )