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A pin is a thin piece of metal with a circular head and a sharp point on one end that is used to fasten materials like fabric and paper. Pins are typically constructed of iron or zinc alloy, which is softer than steel.

What are some of the features of a pin?

The drawing pin is a small nail or pin that is meant to be placed by hand, typically with the thumb, to secure objects to a wall or board for presentation. The head, which is frequently made of plastic, metal, or wood, and the body, which is typically composed of steel or brass, are its two essential parts. Only the hands can be used because the head is wide, distributing the force of putting the pin in evenly. The headpin also referred to as the hatpin, is another variety with a distinctive style. These are extraordinarily lengthy decorative pins that are used to secure a woman's hat. It is usually pinned across the hat to prevent it from falling off.

What are the varieties of pins?

One of the most common types is the brooch. This is a piece of decorative jewelry made to be fastened to clothing, frequently to bind them together. Typically, it is made of metal, frequently silver or gold, or any other attractive substance. They can be used just for decoration or as utilitarian clothing fasteners. The straight pin, which is made of a head on one end and a pinpoint on the other, is used to pindown two things together. The pointed tip can cut through materials like paper and linen. The head forms a temporary bond by preventing the entire body from slipping through the hole made by the tip. The linchpin, commonly referred to as the lynchpin, is a fastener used to prevent a wheel or other component from slipping off the axle it is mounted on.