I have the worst time breaking my boot laces. I have metal eyelets on the lower section and metal hooks on top. It doesn't matter if I buy leather or hiking boot laces, they break every 3 to 4 weeks. So I went to my bulk roll of pull cord number 4 -1/2 to be exact and cut me a couple of 42 inch sections. Melted the ends and put them in my boots. I have some really cool looking laces now. Let's see if these babies last more than a month. Next thing that could happen is my boots will blow a gasket or something!