| 摘要 |
A slide bar for the strings of a guitar is provided with a holder device attached thereto and having at least one wing member shaped for contact with the thumb of the user. An element which may constitute a second wing member defines with the bar and first wing member a recess for the index finger of the user. One or both wing members are sufficiently flexible to enable the user to grip the index finger between the first said wing member and said element by applying lateral pressure between the thumb and the middle finger.
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