The chip runs of Frankenstolz are I wert.Nachdem their money for years had only ever be a normal blanket under the sheet, I now wanted to have a comfortable rest. On sale at amazon my choice fell on the clamping support of Frankenstolz. These conditions are well made and offer a pleasant sensation of lying. Through the four rubber bands at the corners, the conditions remain are also fixed. I am fully satisfied with this produckt.