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Am I screwing or unscrewing this? If you are not familiar with tools, it is confusing whether you are screwing or unscrewing a screw, bolt or nut. Helixx is a screwdriver, and its shaft has a helical ridge like a screw. When you revolve a helical patterned object on a single axis, it looks like the spiral is marching forward or backward. When you turn Helixx clock-wise, the patterned groove looks like it is driving into the surface, which instinctively tells you that you are screwing the screw. You could feel the direction with your fingers, so people with visual challenge or in dark places can also use ww-driver without difficulty.
Samsung Art & Design Institute (sadi)
Seoul, South Korea
Hwang, Won Chul
Gyeonggi-do, South Korea