Chinese tech company Tilta has been involved in the film industry for more than a decade. But the industry—and Tilta—are changing thanks to the rise of TikTok and Instagram Reels. The firm’s Khronos iPhone case ecosystem helps support budding mobile moviemakers: The case is small enough for everyday use, but can be augmented with add-ons, including filters, lights, and tripod mounts, thanks to its eight electronic contacts and nine quick-release mechanisms.