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spiking and squirrels and monkey etc. , there is a big differnce with the climbing . That really started to change , I remember a thread in the old ISA forum where it was titled "sh*ttail climbing. Or back in 93 at ITCC Ken Palmer had this special tie in device a part of a parachute strap with two rings on each side ( got it in Europe. The Gibbs ascender for the safety line , Bob Weber had a New England line spliced by Danice that was external and was the scariest looking eye splice I ever saw. So I'm sticking with 93 as the year . Though secured footlocking was probally 89 -90 .
Jeff Beck and Jimmie Page got to be on that guitar list.
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I'd say 93 Riggs.
Ken Palmer was standing next to me when we saw Francoise Dussiene's twin ring false crotch, at the first ETCC in May '93 in Lahnstein, Germany, which I participated in. The USA contingent took back alot of Euro ideas (which you saw later that year in the ITCC), and we took some great USA ideas. So that, to me, was the catalyst for a worldwide surge in 'new school' development. Don Blair was there also with the Hobbs LD and rigging concepts. Still some German resistance to Shigo's CODIT concept at that time there too! : )
There were around 60 competitors, and it was a melting pot of international ideas - the two Kens from USA with the secured footlock and throwlines, the French with their split doubled Rope, with the 'Friction Saver' and the Brits with their 'split tail' type prusik system.
Individually, these ideas had been around for a good while, but that was the date it all got worldwide exposure that formed a catalyst for rapid development and commercialisation of techniques and equipment.
Just one experience of significant change.