There could be a shortcut from the standard detail view to the Quick spine label creator, to save some clicks. This could perhaps be in a split button thingy with the "Edit" button on the right side of the items table.
I think we already have that - take a look at SpineLabelShowPrintOnBibDetails.
(In reply to Katrin Fischer from comment #1) > I think we already have that - take a look at > SpineLabelShowPrintOnBibDetails.