Once your pet has hatched, you get a FREE item!
Go to either Creature Area or Pet Town and click on this:
Click on the right/left arrows until you find your pet. Click Get Item!
Want to know what ALL the pet locked items are? Here’s a wonderful video I found on YouTube. I do NOT own this video, credits to whoever made it, thanks!
UPDATE 12/14/12: Lots of people have been asking me for the pet-locked items for the Ribbons and Frosties. I finally got them! Sorry for the copyrights, but seriously. Just trying to get the message across to NOT copy them.