Liberty spikes

[2] This hairstyle was highly symbolic as a badge of honor and manhood: Celts were not allowed to spike or cut their hair until they had killed an enemy.

[3] After the subjugation of Britain spiked hair fell out of use in favor of short Roman haircuts.

[4] In the silent film era some actors, like comedian Harold Lloyd, experimented with spiked hair to stand out from the crowd, although this trend did not catch on with ordinary people.

This changed in the 1970s when the emerging British punk subculture chose messy, choppy hair in reaction to the long smooth styles worn by hippies and disco fans.

[5] Liberty spikes were also worn by the Goth subculture, although in this case they were dyed black instead of the bright unnatural colors favored by punk rockers.