BeastGrip transforms your iPhone into a pro camera rig | Cult of Mac
Amazon.com: DREAMGRIP Evolution PRO 2 Plus Universal Modular Transformable Rig System for Any Smartphone, Action and DSLR Cameras, Basic Phone Video Kit for Vlogging, Youtubers, Journalists or Filmmakers
Astronomy with a cellphone: Beastgrip lens for Pixel 7 | by Brewster LaMacchia | Medium
Beastgrip Pro is a Versatile Lens Adapter and Camera Rig for Smartphone Shooters | PetaPixel