A closure is a small hairpiece or top unit that you can purchase ready to wear or customize. Closures can be anchored onto the skin using liquid adhesive or double-sided tape for people with hair loss. They can also be attached to hair using clips or sewn onto cornrows. Other weaving techniques such as fusion, bonding, or micro links can be used to hold closures onto the hair as well.There are three kinds of closure on MinkHairMall.com: Lace Closure, Lace Frontal, 360 Lace Frontal. People can choose the right one according to their need.