ScoutMastersCorner

relax and fold your arms. 
"Now, don't move. Look at which of your hands has the fingers on top. Is it the right or left hand?"
Ask them to re-fold their arms with the other hand on top.

How does that feel? weird, different, awkward?
Which way is 'Correct'?
Which way is 'Wrong'?
Which way accomplished the goal of 'Fold your Arms'?

Every scout here is different and has different ideas on how to accomplish goals we set. The leader's job is to take those ideas and decide to use the one that fits his style best. And, then it's your job to follow him, doing your very best to make the plan succeed. It may not be the exact way you would do it, but if it meets the goal then it is a good plan.