Patrick Paumen

"We have daily enquiries," he says, "And have carried out over 500 implants in the UK - but Covid caused some reduction in this."

"This technology has been used in animals for years," he argues. "They are very small, inert objects. There are no risks."

 Back in the Netherlands, Mr Paumen describes himself as a "biohacker" - someone who puts pieces of technology into his body to try to improve his performance. He has 32 implants in total, including chips to open doors and imbedded magnets.

"Technology keeps evolving, so I keep collecting more," he says. "My implants augment my body. I wouldn't want to live without them," he says.

"There will always be people who don't want to modify their body. We should respect that - and they should respect us as biohackers."