Simple, Your BRAIN can only process so much, so the signal to your vocal cords and tongue slow and You mess up Example:
SAY PETER Piper picked a pack a pickle peppers 8x
Did you mess up? I bet so
also here an easy one. RUBER BABY BUGGY BUMPER
Answer:
C. Mushroom
Explanation:
My previous answer got deleted :/
It was on an answer key
I think that is a common garden snake