Skip the special one-use tool: You can prep cherries for cooking or baking in no time flat with an empty water bottle and a chopstick or straw. Place a stemmed cherry on the mouth of the bottle, steady the fruit with one hand and push the chopstick or straw straight in where the stem was. The pit will fall right out. The bottle also serves as an effective splash guard against the juice, which can stain. Now who wants cherry pie?