Sorry bout the jeep... let us know when you've had enough of pouring time and money into it. They just don't make them like they used to many, many years ago. Grats on the patent! Now you'll have to follow that one up with another Not sure what a dog donut is... are you referring to the cone of shame used to keep dogs from biting themselves? If you use something like that, she may not be able to get to food/eat... Not sure. You could always duct tape a board across her head... that ought to stop her putting it through the fence