Πεννοθήκη που προσαρμόζεται σεβάση μικροφώνου της On Stage, μοντέλο GSA PK6500.Είναι φτιαγμένη απο εύκαμπτο και ανθεκτικό ελαστικό και μπορούν να προσαρμοστούν πάνω της  πέννες διαφόρων μεγεθών και σκληροτήτων.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  &n