The one side of the adhesive layer (4) has the hair fixing function of fast securing the needle leg portion (3A) of hair having been planted by letting the same through the backside of wig base (2).
粘接层（4）的一面具有将贯通假发基底（2） 的背面而植设的毛发的针脚部（3A）固定的毛发固定功能。
2
A function that forwards based on data link layer, or OSI layer 2, information, is properly called a bridge.