Some time ago Bob asked if anyone could find him a selector switch for an OLD Crafstman ratchet he had. I sent him a spare I had, but, it was nowhere near close. He sent me the rat, and I ended up repairing the baby rattle selector knob he had. Took pics as I went.
First was a total disassembly and cleaning. Found it was an oil port, "D" post, rocker pawl setup.
Next, I drilled a hole in his selector knob disc. I then epoxied a steel rod in it, and then put a little glob of epoxy on the rod. I held it and turned it - while the epoxy set - in an orientation that gave it a teardrop-sort of shape close to what the original shape was.