Question:
Goal: To hold batteries in place when the "door" is missing.

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
Use scissors or a box cutter to cut a piece of cardboard to hold the batteries in place, then use duct tape to hold down the cardboard on the batteries.

Question:
Goal: cheese cloth

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
can be used to sift powdered sugar

Question:
Goal: Make your own key ring.

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
Find something you would like to make into a key ring and add it too a large ring and see if it works for you.