Fine gold vs Riffles

Opinions on using riffles with fine gold recovery or not having riffles ? Screens are used to classify

Just seeing what people’s thoughts are on using riffles when only dealing with mainly fine gold

Cheers

I’ve got Hungarian riffles in my 5 inch dredge. Seemed to catch the very fine gold in the shotover and arrow fine. Got the backed miners moss under it. Punch plate and conyeyor belt top end.

Expanded mesh over spaghetti mat.