It might not be as hard as you think. The first year is the hardest. All the time you hear people say "I wish we could do that here" or "got to shoot him bc my neighbors will if I don't." And the neighbors are saying the same thing.
Not trying to push strict rules on a group of people is the easiest way to go about it. Something simple just like what was established in 2009 with us. Most people are okay with not shooting 2.5 yr old deer, you just have to let your neighbors know you are willing to work with them.
After a few years of success, it becomes easier to go to the next level.