Lone Tree Milsim puts a tutorial on creating custom protective cases for cameras like the GoPro and DJI, which are used for airsoft games. He says that the importance of these cases for protecting cameras from being shot out. He covers how to paint the cases, add aeration holes, and modify them to prevent camera wobble and maintain access to the touchscreen and ports. It is emphasized that these cases are a more cost-effective solution than repeatedly replacing damaged camera lenses.