Considering His Options
His anger was so intense, he even thought about slashing tires. Surely, that would have gotten him some unwanted attention from police. Then, he considered building a fence to keep them out, but the cost deterred him. In addition, it would have made it harder for him to drive his own vehicles into the field. Alas, he came up with the perfect solution to stop people from parking there without making his own life miserable.

Considering His Options
Driven To It
After trying and failing to be the nice guy, he needed to do something drastic. He had told everyone, waited patiently, but to no avail. Unless he acted quickly, he would surely lose his mind. So he thought of how to get everyone to listen, bt this would be something totally unconventional.

Driven To It