The invention of the surfboard fin In 1935, Tom Blake considered adding a keel from an old speedboat to a surfboard. At that moment, he forever changed the concept of riding waves and, consequently, surfing.

Sometimes, the greatest inventions are not the result of a series of iterations. Sometimes, it's just an Eureka moment. Here's what happened with the surfboard fin.

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Single-fin: the original surfboard fin setup The classic single-fin longboard is no longer a thing of the past. It's an up-to-date, timeless system. Explore the story of the first surfboard fin setup and how it excels in the waves.

Until the mid-1930s, before the creation of the single-fin surfboard, surfers were "sliding ass." And then, suddenly, everything changed.

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Quad: the four-fin surfboard setup The quad surfboard fin setup is a strong choice for surfers looking for speed, control, and versatility in nearly all types of waves and conditions. Here's what you need to know.

Quads are not the most popular surfboard fin setups, but they have been picked as the weapon of choice in select conditions.

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Why your surfboard fins hum and how to silence them If you hear your surf fins humming while riding a wave, that is a sign of unnecessary drag that needs fixing. Here's why you hear that sound and how to fix it.

Humming is a sign of drag, but surfers should address this issue carefully. Here's what to do to silence this noise.

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