Question: What should I use to fold a dollar bill into a paper heart?
Options:
You can simply use your hands to make the folds, and your tongue to sharpen the creases and adjust.
You can simply use your hands to make the folds, and your fingernails to sharpen the creases and adjust.
Answer: You can simply use your hands to make the folds, and your fingernails to sharpen the creases and adjust.