Insert the cufflink through both holes in the shirt's cuff. The colored, decorative part of the cufflink (usually black or ivory), should face the outside when your arm is at your side.

What was the original purpose of cufflinks?

Dating back to the seventeenth century, cufflinks came about when men wanted something more elegant for their shirts than ribbons or ties to hold together their cuffs. Men began using small chains that were fastened to the end of a gold or silver button and fed through the holes of the cuff to keep them together.

Are cufflinks only for tuxedos?

How do you know if cufflinks are right for you? ... Cufflinks are needed when wearing a shirt that has French cuffs, a shirt cuff that is folded back before fastening, creating a double-layered cuff. This style of shirt should always be paired with a tuxedo, but can also be worn with a suit.