Of course.
There is also a video showing how secure devices are once fitted and the ease of installation of the product:-
http://www.igeartechnologies.com/hook-go/
It is currently reduced on Amazon Marketplace, so can be bought with confidence too:-
https://www.amazon.co.uk/d/Mobile-Phone-Car-Cradles/Hook-Go-MPH-Dual-Device/B01M5DDNHV/ref=sr_1_2?ie=UTF8&qid=1479306495&sr=8-2&keywords=hook+and+go