19mm Steel Strapping + nut and long bolt and a jar
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powder paint yellow with a bit of black in it from
https://hls-products.com/ yellow with a bit of gold dust (looks almost like a gold nugget)
fill the glass so that the lead does not touch. heat - screw on - shake to the desired layers - unscrew and use a heatgun and a wire to clean up the eye.
(HLS dust are small plastic balls that must be melted to give a shiny surface)