Knot Rod?

I briefly considered “Knot Head”, as in gear head. But in the Midwest that also pertains to folks who are pretty low on the evolutionary scale....and of questionable character. Well below rednecks, etc.

But I guess it’s still available if YOU want to use it : )

Howard
M17, #278
Audasea

(As in Audsley at Sea, and also pronounced and meaning the same thing as Odyssey)