| 摘要 |
An improved noise-making device (100) comprises a symmetrical, flexible strip of laminated paper upon which four creases (20, 22, 24, and 26) and two slits (30 and 32) have been applied. Subsequent user preparation by curling and folding converts the two-dimensional strip into two straps (40 and 42), concave in relation to one another, joined at each end by wings (10, 12, 14, 16) such that pulling the wings apart brings the straps in full contact, generating a loud snapping sound while simultaneously imparting a kinesthetic impulse to the hands. When the wings are brought toward each other, the curl applied in preparation allows the straps to return to their concave state. Messages or advertising may be imprinted upon the surface to promote any suitable event where the device is used.
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