[Brynna77]

Experiment works. Left-hand automatically dominant. muggs~~~experience same. Think it IS common with lefties.

[Lady Jag]

Crossing the arms and having the dominant hand come out on top seems to work in about 2/3 of the people when I try it in a group It's not unusual to find one or two of the contrarians were changed from left to right in childhood, but I haven't figured out the rest of the contrarian group.