| 摘要 |
<p>A hearing protective device (50) is provided including a first sound attenuating element (56), a second sound attenuating element (58), a flexibl e elongated member (54) connecting the first sound attenuating element (56) an d the second sound attenuating element (58), and a knot (68) formed in the flexible elongated member (54), the knot (68) is untied by moving the first sound attenuating element (56) in a direction away from second sound attenuating element (58).</p> |
