OtterBox and PopSocket teamed up and made an iPhone case with a built-in PopGrip
https://techcrunch.com/2019/01/07/otterbox-and-popsocket-teamed-up-and-made-an-iphone-case-with-a-built-in-popgrip/
I have an OtterBox case on my phone, mostly because my five month old loves to knock my phone out of my hands.
I also have a PopSocket on my phone, again, because my five month old loves to knock my phone out of my hands. It’s also nice to use the PopSocket as a little kickstand while I travel.