MSQC Lapel Stick Will LAPEL stick gum up my sewing machine? No, LAPEL stick is safe to use for quilting and sewing projects and will not gum up your machine. Will LAPEL stick "bleed through" or discolour fabrics? No, LAPEL stick will not bleed through or discolour fabrics. How long will LAPEL stick hold a hem or fabric in place? Fabric will be held in place until it is washed, LAPEL stick is a temporary adhesive.