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UmwirondoroSWHS locking rail.jpg
The locking rail/pinrail of the South Whidbey High School auditorium. SWHS primarily uses a counterweight fly system, but the rail also has pins for spot lines.
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{{Information |Description=The locking rail/pinrail of the South Whidbey High School auditorium. SWHS primarily uses a counterweight fly system, but the rail also has pins for spot lines. |Source=self-made |Date=2008-04-16 |Author= [[User:Hotshot977|H