Knife Serrated

Why are serrated knives better in cutting things than straight-edge knives?
Actually, they are not, except if the straight-edge knives are not sharp.
In the case of a dull knife, yes the serrated blade will cut a bit better. It acts like a saw, chewing away at the material, instead of cleanly separating it.
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Microtech Makora II Auto knife in FULL Serrated! Wicked
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