Bait bag
From PinataIsland.info, the Viva Piñata wiki
If you want to catch a pinata in a trap, you'll need to lure it in with some bait. When you are in the Pinarctic or Dessert Desert regions, press 
to bring up the menu, and point at the bait bag using 
. Now press 
to open the bait bag in the region. You can cycle through the available bait by using the left and right bumpers. When you have found your ideal bait, drop it into position using .
- This article is a stub. You can help by expanding it.
