Dale Proctor

It probably just has one of those long stop rods installed on it. You can adjust the nuts on it to allow you to play a low F natural without worrying about the slide falling out.

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"Brass bands are all very well in their place - outdoors and several miles away." - Sir Thomas Beecham

Olde Towne Brass
www.otbrass.com

Brass Band of Huntsville
www.brassbandofhuntsville.org