I also did a nifty trick for a three-legged dog with only ONE GOOD LEG in the front.
I dug a hole. Yes I did. In the yard. I was thinking about putting my frisbee in the hole, but I changed my mind because I was pretty sure I'd forget where I put it. It took all my strongness and fastness and sometime (ok lots of times) I landed on my face, but I did it all by myself.
Here is my hole that I did dig, all by myself: TA-DAAA!!!