The goose will be able to hold your keys on both arms and will also have a magnet in the head to attach smaller magnetic objects under the beak.
Magnets are:
20x3 mm round in the back
5x5x5 mm in the head
to add the magnet in the head you have to stop the print at the last layer and add the magnet, then resume the print (a bit of superglue will make sure the magnet does not move).
The author remixed this model.