Freely adjustable lanyard length Because of the rapid dive, the pressure increases , so the free diver's ear pressure balance rate needs to be faster.Pinching the nose by hand to balance the ear pressure strain some of the muscles of the body, consume extra oxygen, and is not conducive to the body streamlined. With the nose clip, you don't need to hold your nose with your hands, you can keep your shoulders relaxed, you can easily find your feelings, and practice your ear pressure balance skills.Therefore, the nose clip has become the for free divers. Special sliding locking mechanism; And habitual use of free diving nose clips, you can make your nose more slender and straight! This nose clip is based on the size of the Asian nose, combined with human body statistics, to the maximum extent of locking the nostrils, without causing pain, and easy to balance the pressure of the ear. Excellent process treatment, can achieve no decolorization, no fading, seawater resistance. colour: red Material: Aluminum Alloy Size: Rope Thickness 3mm, Rope Length 60cm Package Contents: 1 x nose clip Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.