A porcupine has its pricks on the outside
With a police car, the pricks are on the inside
A prick
Student:I don't know. Teacher: Bark, my child, bark. Student: Bow, wow, wow.
With a porcupine, the pricks are on the outside
A slowpoke!
The BMW I8.
In the case of the bmw, the pricks are on the inside.