OK, I'll post one picture. This was taken while going coconut-hunting. All you need is a 40-foot long bamboo pole with a metal hook tied to the end to jimmy the little beasts out of their little treehouse and a machete to hack them to pieces and eat them. You could wear a helmet, but I think a falling coconut would probably kill you anyway.
A tip I learned from my friend who used to live in the forest: the coconut is almost entirely self-sufficient. By which I mean that, if you have a machete, you can chop off a slice of the husk and use it as a spoon to cut the fruity flesh out of the inside, or you can make a little nick in the husk, pull it up, and, voila, you've got a string for carrying the 'nut or tying it to your bike or something.