With the porcupine, the pricks are on the outside.
You might try and knock some mud off on the sidewalk before you step on the doormat.
Eric Clapton never would have let his bag of coke fall out of a 49th-story window!
A: The porcupine has the pricks on the outside.
With the hedgehog the pricks can be seen on the outside and with a Jeep the prick can be seen on the inside.
Paul Walker wouldn't be seen dead in a Skoda.
I don't have a Porsche in my garage.
A dinosaur wearing red pajamas.
The outside
The pricks are on the outside of a porcupine.
BMWs have the pricks on the inside!