Finish the following sentence with the best choice: How to easily form a perfectly round snowball?

Choices:
- Once the basic ball is formed, heat up a hand warmer and keeping it in your hand shape a circle out of the snowball
- Before the basic ball is formed, heat up a hand warmer and keeping it in your pocket shape a circle out of the snowball

Answer:
Once the basic ball is formed, heat up a hand warmer and keeping it in your hand shape a circle out of the snowball