Question: To put custard inside of a donut
Options:
Poke a hole through the side of the donut and insert your piping tip and bag and extract the custard out of the donut.
Poke a hole through the side of the donut and insert your piping tip and bag and squeeze the custard inside of the donut.
Answer: Poke a hole through the side of the donut and insert your piping tip and bag and squeeze the custard inside of the donut.