Far from wanting to be exhaustive, this article only offers a wide
selection of nuts, as the keystone of a different approach to climbing.
We have, through lack of space, neglected the French, the German,
the Spanish, the Swiss, the Italian, the Russian manufacturing...
Other nuts remained sleeping upon the drawing table of an inventor
or abandoned in a trunk full of prototypes. Others reached the Patent
Office but never married the crack of their dreams... At the end
of the 70’s, with the work of Ray Jardine, inventor of the
Friend, the nut became « active » or, if you prefer,
spring loaded. No one could ignore Greg Lowe’s Cam Nut, marketed
in 1972, Lowe who had already built in... 1967 the Crack Jumar!
But that’s another story...
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