Step 6: Heart Transplants
Not wanting to give up on a willing, and paying, patient, surgeons went ahead with daring new techniques of driving metal tubes into Gummi chests to extract hearts. Or it could just be the bit of Gummi area where the heart should, or could, be. Blogs are still debating this with no conclusion in sight.
With the Gummi heart out, it's a simple matter of performing a similar operation with another Gummi and making the switch. Here you can see a trio of bears who made a series of swaps.