Once you're inside, the OP says that there are two little tabs that you can use to shimmy the electric rod out of the toothbrush. He then states that the problem is a small screw in the center of ...

and the other is suited to anyone buying a separate general use feeler gauge Music Nomad’s Relief Gauge Tool features the three most common truss rod relief dimensions for electric, acoustic and bass ...

While there is no way we can show all the electric fan controls from all those offering them, here are some of the companies that will help your hot rod keep its cool.