The tool makes a high quality impression, whether it is high quality will naturally turn out after some time and appropriate use. One applies it however urgently be observed: lie down before opening the trunk so that the label side is readable. Otherwise, the entire range of the other half falls out and you're busy sorting loose 20 minutes. A second time a sure does not happen, but just for the uninitiated first time users would be an appropriate reference to the case (eg a sticker) makes perfect sense.