A four-in-hand knot can be done in four simple motions only. This type of tying a tie is one of the simplest and most popular knots most of boys start their adventure with. This knot is very versatile and it fits to all sorts of collars and fabrics of a shirt. It can be called a casual knot, but it will also prove itself during formal ceremonies. Although gentlemen are often trying to straighten the tie under the collar at all costs, it is inherently asymmetric - when it’s not perfectly straight - don’t worry. Furthermore, if you care about the longevity of your clothes this simple knot won’t ruin fabric with unnecessary creases.
Second most popular knot is Windsor. There is a customarily accepted fact that this knot is attributed to the Duke of Windsor, Edward VIII. This knot is way more complicated but it is wide and symmetric. It is suitable for evening wear and formal attire. It is often being overused by men in casual, informal outfits. The knot is tied in eight complicated moves. It should be avoided by men with short and robust necks.
The originator of the Onassis knot was Jackie Kennedy Onassis’s second husband, Arystoteles Onassis who liked extravagant approach to fashion. It is a variation of the simple knot, interspersed with additional loop of the wide end over the knot covering it fully. This knot is not suitable for work yet it looks fantastic as an unusual solution and a time-off avant-garde. Remember to use Onassis knot with wide-spread collar.