Drawbar Wrench/Hammer

[Roadracer_Al]

I say you use some mosaic pins.  

Not my picture:



They're not expensive to buy, but when has that stopped anyone?

You can make them yourself if you visit your local hobby shop and root around in the K&S precision metals display.

Ordinary epoxy can be dyed with dry pigments from an art store.

You'll want to inject the epoxy with a syringe - available at your local pharmacy. It's a non-starter to try to fill it with a stirring stick.