How to open a coconut

I summarize how to open a coconut:

Use a coconut hole opener to find a round hole in the top of the coconut.

Hold the coconut in your hand and using the strength of the hole opener, drive the hole opener deep inside the coconut. Use the other end of the hole opener to gently tap along the hard shell inside the coconut until the shell breaks.

Turn the coconut upside down and tap the bottom of the coconut to allow the liquid inside to escape. Then use a spoon to scoop out the coconut meat.