On Apr 25, 8:35*pm, Doug White wrote:
...
I can easily make a small block (~ 3/4" cube) with a notch cut in it that
will hold the knob up high enough to miss the switch. *However, I'd like
to make it highly visible as a reminder to remove it before use. *...
Doug White

Wander through the Dollar Store and look at the tools and the handles
of kitchen wares etc. I've found a lot of cheap brightly colored tools
in such places, to stock the tool kits in vehicles and in the shed out
back in the woods.

jsw