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Showing results for tags 'stability ergonomics balance'.
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Video on YouTube http://www.youtube.com/watch?v=HDyjTI1K1M4 'Experimenting with a strap from sides of concertina, under the thighs. Noticeably better than the previous trial using straps under the feet. 'Still experimenting. Good fun. Learning. Playing more easily as ergonomics improve. Regards, Tomo Bruce (Tomo) Thomson20 Lyndhurst St. Chelwood Village,Palmerston North 06 357 7773 021 176 9711 email@example.com