The first ever commercial for Ginsu knives aired in 1978. I remember my dad shaking his head and saying there had to be a trick to it. As a knife collector and sharpener, in addition to his carpentry skills, he just didn't believe the blades would hold an edge well enough to cut a tomato after being used to hack at a tree limb. However, over the intervening years, the Ginsu reputation for quality has continued to grow.
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