Answer:
Other terms for this handy device include doohicky, doo-dad, and whatchyamacallit.
What word of five letters has only one left when two letters are removed?
What can you easily break but never touch?
Which weighs more? A pound of iron or a pound of feathers?
It is where kings, queens, knights and bishops go to war together.
Two little holes in the side of a hill. Just as you come to the cherry-red mill.