<human>: Objective: How do I prepare the balloons when making chocolate balloon bowls?

Which of the following solutions is more sound in terms of naive physics reasoning?

OPTIONS:
- Wash the outside of the balloon, then fill the balloon with some air using a bike/ball pump.
- Wash the outside of the balloon, then fill the balloon with some air using a piping bag.
<bot>: Wash the outside of the balloon, then fill the balloon with some air using a bike/ball pump.