The manufacture of the first run of colour televisions in the late sixties caused an unexpected economic side-effect. As all TVs now came fitted with an additional 'Colour' knob, a worldwide knob shortage was triggered.

Designing and sculpting knobs is a highly accomplished technical skill, with fully-capable knob technicians taking up to four years to train to a professional standard.

The worldwide knob crisis steadily improved and stabilised after £30 million of badly-needed Government investment in knobcraft.

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