Finish the following sentence with the best choice: How to sew the hem on the square skirt.

Choices:
- On the bottom of the skirt, fold less than an inch backwards and secure with pins. Sew on the hem of the skirt until the whole hem is secure.
- On the top of the skirt, fold less than an inch backwards and secure with pins. Sew on the hem of the skirt until the whole hem is secure.

Answer:
On the bottom of the skirt, fold less than an inch backwards and secure with pins. Sew on the hem of the skirt until the whole hem is secure.