Step Four

Weave a few more rows.

Bend your basket again and then repack the rows:

Step Five:

At about the 12th row, start your weavers near a corner. This will help your basket keep a round appearance.

You don't have to start every new weaver on a corner but alternating every other should work okay:

Step Six:

It now is too hard to bend your basket in half. But that's okay. Now you can start pushing up the bottom with your hands. Do this after about every four rows now: