Eyelet pliers are a total must-have for fashion designers working on fabrics. They're used to set eyelets, which are those tiny metal rings that reinforce holes in fabricIt is used for reinforcing holes. It is used in making holes for corset dresses, they strengthen the fabric around laces holes preventing fraying and tearing under the tension of the lace . The eyelet metal can withstand friction and stress caused by tightening of the laces to make if fit and sit comfortably on the wearer and it