On your dog page click on the Equipment Button!

Then from the drop down select Modify or Remove!

This is the Modify or Remove Pop up before it has been dragged to a different location.

Once you click the button you will see a list of items your dog is equipped with.

Blue Box: This is the drag button and allow you to move the equipped item box anywhere you want on the screen so you can view your dog as you modify.

If you ever have issues and move the box to a place you can't close it for click out and Hit Ctrl + F5. That will restore pop up to origianl location.

Click on the item you want to modify. The pop up will look like this now and you can use the item placement guide to help you change placement.

Once you click submit you will see your dog image says loading.

Once you click submit and it loads it will tell you item has been modified and your item will have moved.