Matthew 6:3 But when thou doest alms, let not thy left hand know what thy right hand doeth:

Matthew 6: 3-4

no arms are arms and they only have one function. that is to move where the brain tells it to!

Eating With Chopsticks And Writing With Pen/Pencil For Only Some People Only xD Because Some People Can Eat With Chopsticks On The Left Hand And Write With A Pen/Pencil With The Left Hand Too '-'

Your right hand can touch your left elbow but your left hand can't and your left hand can touch your right elbow but your right hand can't.