The main thing would be for manufacturers to change their cup material. There is one that cobra and escort radar detectors use. It's very tacky on the back and will stick to anything including your dash without needing a dash pad. Works great and when ran underwater is gets slick you can clean it and once dry it becomes tacky again. It's called sticky cup https://www.escortradar.com/Mobile/ProductDetails.php?PID=16338