Choose having your tablet directly behind a car seat for a single passenger or in between the driver and passenger seats for multiple passengers The ball-head also allows for different viewing angles and for 360° rotation. Cradle fits tablets with the bulkiest of cases and any other mobile device between 4 5” to 10” wide securely. Could be used on any narrow round bar such as a pacer. Brand: Macally from Amazon. https://www.amazon.com/Macally-Ipad-Holder-Car-Headrest-Mount-HRMOUNTPROB/dp/B07V25H6MH?th=1 .