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I watched as the man ahead of me had letters and numbers carved into his skin in black ink with an electric needle.

"That's really good," the 21-year-old art student says, and Coca presses his electric needle to her forearm.

“That’s really good,” the 21-year-old art student says, and Coca presses his electric needle to her forearm.

I must say that I admired the efficiency with which she whipped the material back and forth under the massive electric needle.

A 10,000 volt electric needle is then used to draw out a fibre.