Abstract: The invention relates to a device for attaching retaining means or clips to guide means, in particular strings, for training vines, as well as retaining means for this device. In order to achieve increased cycle frequency with a high degree of automation and economy with an attachment of retaining means to guide means, it is provided according to the invention that the device is formed with at least one reservoir, a magazine or a like part for the sequential provision of open retaining means and/or retaining means formed with two half shells and a device connected thereto for closing the half shells of the retaining means while fixing the same to the guide means and enclosing the vine.