21S Clips/Round hole
#5,#6,#7,#8 will be the smallest size in the clip of 21Type series of different structure. A slim shape, the surface is a beautiful gloss finish rounded. Because the size is small is not suitable to sandwich the thing with thick. Two sizes of through straps round hole and hook type, colors are three colors of white, black, transparent, there is also Karateko specifications cord insertion portion is 9 colors only round hole type. The unique structure, we have to have a spring property only in three plastic parts without the use of a metal spring. Because it does not use the metal it is also ideal for such outdoor because it is also available in the rain or seawater. If it is possible to get used to the opening and closing method can be easily opened and closed with one hand.
For preventing mobile phone strap hat fall