Not sure how to open up a coconut? This site should point you in the right direction, complete with step-by-step photos.
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How to Cut a Pineapple
A site solely dedicated to cutting the spiney fruit, complete with photo instructions.
How to Bake a Potato
Not sure how to bake a spud to a golden crisp? This site will teach you how with step by step pictures and instructions. How easy is that?