Helpful person wrote:
>
> For mincing I use a press. I'm not skilled enough to dice them that fine with a knife.

You use a press for mincing onions? A press will only mush them. Use
a chef's knife, keeping the tip on the cutting board at all
times...just chop chop chop, turn, chop chop chop. Very easy to do and
a little practice will make you an expert in no time.