I'm fairly sure that we've covered how to *open* a young coconut (also known as a Thai coconut). It seems like each raw food site has a video and/or article about that. I think it's actually a commandment in the Official Raw Foodism Bylaws somewhere: "Thou shalt show everyone how to open a coconut."
But *selecting* them... that's something that's not often covered in-depth. It's an advanced topic -- super-advanced, even. So, are you ready to learn the secrets?
Read more: How to *Select* a Young (Thai) Coconut at the Store