| 摘要 |
This plectrum 1 of the rounded triangular type is made from wood having a relative density of between 0.85 and 1.30, selected preferably from the group comprising olive wood, ebony, boxwood, Pernambuco wood, violet wood, Ceylon citron wood, sasswood, ekki lephira and lignum vitae. This plectrum comprises on each of its two faces a ready-formed impression 4, 5 corresponding to the positions of the thumb and index finger on the plectrum. <IMAGE>
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