I have a lovely mandarin tree it is full of mandarins my whole family enjoys. I wouldnt even mind sharing the odd fruit to polite strangers who have the decency to ask, but I resent the people who stretch to the full extent of their arm through my fence to help themselves and who use their umbrella to hook branches they can not reach, this results in my tree being damaged and other fruits dropping to the floor from the vibrations. These people are stealing plain and simple.
How do I stop this?