50-ih su zaštitni kavezi bili obavezni u Naskaru, ali vozači su smatrali da je dodatna težina za mlakonje, te su ubacivali zaštitne kaveze od dasaka.
In the early 1950s, for example, roll cages were mandatory in NASCAR racing, but the drivers thought, well, the added weight was a bit wussy, having a roll cage, so they just fitted them with things... that looked like roll cages, made out of off cuts of wood, say.