\override Glissando #'(bound-details right arrow) = ##t
\override Glissando #'arrow-length = #0.5
\override Glissando #'arrow-width = #0.25
\override Glissando #'(bound-details right arrow) = ##t
\override Glissando #'arrow-length = #0.5
\override Glissando #'arrow-width = #0.25