1. Open your bag: Press the Start button and select Bag.
2. Select an item: Use the directional pad to highlight the item you want to use or discard.
3. Use or discard:
* Use: Press A to use the selected item. This will depend on the item's function (e.g., Potion heals a Pokemon).
* Discard: Press B to discard the item. This will remove it from your bag permanently.
To change the order of your items:
1. Select an item: Highlight the item you want to move.
2. Move it: Press A to select it and then use the directional pad to move it up or down in the list.
3. Confirm: Press A again to confirm the new position.
Important note: You can't directly swap items with each other. You can only move them up or down in the list.