What iPad’s are compatible with Studio Proper Lock Belts? Proper November 27, 2017 04:52 Follow Check your iPad’s compatibility with available Lock Belt solutions at the Studio Proper website. www.studioproper.com Related articles How can I route the power cable to the outlet? Is a iPad Lock Belt a type of case? Do I have to permanently install my POS Flex Stand? Comments 0 comments Article is closed for comments.