看到「This iPhone thong case will help you catch 'em all in 'Pokémon Go'」這個，光看圖就知道意思了：
應該是用 3D Printer 做出來的：
If this sounds familiar, it's basically the commercialized, rubberized version of the 3D-printed Poké Ball "aimer" case that one guy made.
不過這不能丟 Curveball 啊 XDDD