A hedgehogs got pricks on the outside.
A camera has photos and a foot has five toes. (Told to me by a 9 year old child I work with)
Polar bears gather around the ice hole.
The pricks are on the outside of a porcupine
A cactus has the prick on the outside.
With a porcupine, the pricks are on the outside
Whitney Houston's nose
They both gotta go fast.