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Actualli…. along the lines of interesting frame styles, a new tennis racquet just came out, with no string wholes w/ grommets. Instead, it’s two halves of the frams bonded together, with spaces allowing for the strings. Think it’s feasible to be applied to badminton racquets? It’s definitely an interesting idea, with effects like musclepower, and a lesser change for strings eating thru the racquet frame.