(Jon of the Clue Crew walks with crutches.)  Crutches are an example of a simple lever; the tip of the crutch acts as this point on whcih a lever turns
.... 
At Hyde Park, it's her home, so she sits at the head of the table, Franklin sits at the 
..... and crutches -- a crutch design that's still used, the Warm Springs crutch.