Dash-Mount Radar Detector

[fisheral]

Has anyone dash-mounted their radar detector behind the screen (closer to the windshield) using either magnets or velcro, or even a weighted beanbag?

These all look interesting:

https://www.amazon.com/gp/product/B000U5TUWE?smid=A20HYQI2WKS67C&psc=1

https://www.amazon.com/gp/product/B0CQYGSD4G?smid=A2PF8TSW4D9357&psc=1

https://www.amazon.com/gp/product/B07ZVJ7191?smid=A1W2YDUZRHTEDT&psc=1