Light in left hand?

[DiveCaptDean]

im going to have to look at this further...

in an ooa...isnt the proper technique to grab your reg from your mouth by the hose and rotate it to your buddy?..when i do this the back of my right hand and  light head would be  horizontal to my face..thus pointing upward and not directly into my buddies face..even if there was a concern of blinding my buddy in and emergency is there anyone else out there that might think that this would makemore sense than having thelight cord cross your body and possibly raise havoc with one or more of your deco cylinders..we all know that the light cords dont exatly always go or ride right where you want them all of the time...i have to think that this would causesome concern with gas switching..
also..what about the cord interfering with an ooa situation..if i am to donate my 7ft hose...and i have a cordgoing across my body over the top of it..wouldnt that make it a pain in the ass?..i would have to reach  my left arm straight out then pass my 7ft hose under the light cord to allow my buddy to take posession of it...

also is there any mention in the dir philosophy of a dominant or working hand or arm while diving?  ie.  when you are diving with a need for gas switching i have to think that the left hand/arm is the working hand./ arm as it is responsible for gas switches...it is also responsible for monitoring your spg....unless your bottom timer and compass are one the right...then it is responsible for the compass as well.....then we want to throw the light on that hand as well....possibly and over task.....thoughts????????  educate me

deano