Goal:
For perfectly manicured nails
Answer:
Use Elmer's glue around your nail, let it dry and then go crazy with the nail polish. Peel of the glue.

Goal:
To crush beans, you can
Answer:
Use a potato masher

Goal:
mail
Answer:
can be opened with a paperclip

Goal:
Prevent bacteria after washing hands.
Answer:
Use paper towels to dry.