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During daily use, consumers encounter various types of surfaces with their luggage, such as cobblestone roads, asphalt roads, and speed bumps. On uneven surfaces, an overly stable handle can have the opposite effect, as the force transmission becomes more direct. A rigid handle that cannot move fails to absorb the impact, transferring the force directly to the consumer’s wrist. This requires more effort from the user to counteract the force, potentially even causing wrist injuries. Understanding consumer needs and application scenarios is crucial. Therefore, we need to balance the handle’s flexibility to ensure normal usage without compromising the product’s brand value.