What would you use this kind of trailer for?

750595

{"replyTo":"

253308 发表于 2019-08-24 04:15:40 Velociraptors 🦖

","text":"roll cage for swift trailers","replyToPid":190020}

750595

{"replyTo":"","text":"training for skateboarders who want to learn how to alley dock a 53 foot van.","replyToPid":0}

592246

{"replyTo":"","text":"My kids ! Haha jk","replyToPid":0}

462372

{"replyTo":"","text":"I recall big bird was in one of these 😭","replyToPid":0}

617698

{"replyTo":"

505487 发表于 2019-08-24 04:09:15 To deport illegals

","text":"It’s a lot more humane than a dry van. ","replyToPid":190016}

762947

{"replyTo":"","text":"They use this to display the prisoners as they take them\nTo the town square. ","replyToPid":0}