I think these looks better:
!NoteWorthyComposerClip(2.5,Single)
|Clef|Type:Treble
|Key|Signature:C|Tonic:C
|TimeSig|Signature:3/8
|Note|Dur:8th|Pos:-1|Opts:Stem=Up,Beam=First
|Note|Dur:8th|Pos:b-1|Opts:Stem=Up,Beam
|Note|Dur:8th|Pos:-1|Opts:Stem=Up,Beam=End
|Bar
|Note|Dur:8th|Pos:-1|Opts:Stem=Up,Beam=First
|Spacer|Width:50
|Note|Dur:8th|Pos:b-1|Opts:Stem=Up,Beam
|Note|Dur:8th|Pos:-1|Opts:Stem=Up,Beam=End
!NoteWorthyComposerClip-End
!NoteWorthyComposerClip(2.5,Single)
|Clef|Type:Treble
|Key|Signature:C|Tonic:C
|TimeSig|Signature:3/8
|Chord|Dur:8th|Pos:-5,-3,-1|Opts:Stem=Up,Beam=First
|Chord|Dur:8th|Pos:b-5,b-3,b-1|Opts:Stem=Up,Beam
|Chord|Dur:8th|Pos:-5,-3,-1|Opts:Stem=Up,Beam=End
|Bar
|Chord|Dur:8th|Pos:-5,-3,-1|Opts:Stem=Up,Beam=First
|Spacer|Width:200
|Chord|Dur:4th,Grace|Pos:b-5z,b-3z|Opts:NoLegerLines,Muted|Visibility:Never
|Text|Text:"f "|Font:StaffSymbols|Pos:-3|Justify:Right|Placement:AtNextNote
|Text|Text:"f "|Font:StaffSymbols|Pos:-5|Justify:Right|Placement:AtNextNote
|Chord|Dur:8th|Pos:-5,-3,b-1|Opts:Stem=Up,Beam
|Chord|Dur:8th|Pos:-5,-3,-1|Opts:Stem=Up,Beam=End
!NoteWorthyComposerClip-End
A problem with my second example is that the "text" flats are not highlighted during the note chase.
IMO, NWC would be improved if it highlighted text accidentals and noteheads during playback.