
Bought for my 55 inch Samsung TV £75. You can see it arching in the back. It won't go any further, but it certainly doesn't look super strong.

IKross 2-In-1 Cup Mount Holder: Perfectly Secure Tablet And Smartphone Holder For Your Car
14 Review

Tryone Auto Backseat Tablet Mount Holder For IPad Air Mini, Cell Phone, Galaxy Tab, Kindle Fire HD Switch Lite Or Other 4.7-10.5" Devices - Black
18 Review

Tryone Car Headrest Tablet Mount Holder: Stretchable Stand For IPad Air Mini/Cell Phone/Galaxy Tab/Kindle Fire HD/Switch Lite 4.7-10.5" Devices
13 Review

BMK Adjustable Stand For Amazon Echo Spot - 360 Degree Horizontal & 40 Degree Vertical Rotation, With Ball Bearings Bracket For Speaker Mounting, Ideal For Home And Office Use (Black)
21 Review