Buy it from the store street know-it-all and do it. You can sell it when you are finished, or you can wear it yourself.

1. Go to Diamond Harbor and click Tu Tu in the scene to open the activity dialog box.

2. First, you need to sail. Little Locke can go to the second floor of the clothing store, Lablanke Mine, One-horned Fairy Tale and Bode Material House to collect the materials he needs.

Click on the material on the map directly, and you can jump to the access page! Click on the material on the ground directly on the jump page to get it!

After the voyage, you can set sail. Click set sail and you will have a chance to get the seal of the ocean! Collect 20 navigator seals, and you can take Tu Tu away.