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Shoelaces, also known as shoelaces (American English) or shoelaces (British English), are systems used to secure shoes, boots, and other footwear. They are usually composed of a pair of ropes or ropes, one for each shoe, and are made of hard sections (called small spikes) at both ends. Each lace usually passes through a series of holes, eyelets, loops, or hooks on either side of the shoe. Loosen the laces to open the shoes wide enough to insert or remove the feet. Tie and tie the laces to secure the foot in the shoe.
Traditional laces are made of leather, cotton, jute, hemp or other materials used to make ropes. Modern laces often contain a variety of synthetic fibers, which are usually smoother and therefore easier to undo than traditional fibers. On the other hand, smooth synthetic laces usually have less rough appearance, less friction and wear, and are less susceptible to moisture corrosion. Special fibers such as flame-retardant Nomex are used in firefighters' safety boots.
Elastic laces not only make the tie more comfortable, but also make the shoes slide up and down without knotting or unting, which makes them a popular choice for children, the elderly and athletes.
Three kinds of laces with three different sharp corners: copper, plastic and brass
The hard part at both ends of the laces can not only prevent the twine from spreading, but also make the laces easier to hold and pass through the eyelet, so it is called "aglet" (also known as "aglet").
Because of the increased friction surface area, laces with a flat cross-section are generally easier to secure and tie than shoes with a circular cross-section. Very wide flat laces are often called "fat laces.". As we all know, square cross-section leather shoelaces are very common on marine shoes, but they are easy to loosen.
Laces can be coated at the factory or on aftermarket products to increase friction and help them stay tied.
