https://www.engadget.com/2008-04-30-first-ever-blackberry-clamshell-phone-unmasked-dubbed-the-kick.html
First ever BlackBerry clamshell phone unmasked, dubbed the 'Kickstart'
May 1, 2008 - Ready to have your brain blown out through the top of your head? Look above -- you're staring at the heretofore unseen BlackBerry clamshell, the Kickstart. The...
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https://www.notebookcheck.net/Samsung-shows-off-clamshell-styled-foldable-phone-concept.440563.0.html
Samsung shows off clamshell-styled foldable phone concept - Notebookcheck News
At Samsung's developer conference, the Korean colossus showed off a new foldable form factor concept. The concept video showed a foldable display that opened...
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