Okey dokey...
Experiment results... First, Chris peeled lid with left hand, held cup with right hand, handed straw with right hand.
LindaDanette: first thought CC was left handed, then right due to the right handed passing of the straw
LD's dinner guests: all righties, peel lid with the right (did not pass straw)
dgFred: would say CC is right handed
Ziggy: is a rightie, never handles lid with left hand
OrdinaryLife: thinks CC seems right handed
Knox: is a rightie, removed lid, handed stick, replaced lid w right hand
Impatient redhead: is a rightie, stabilize cup with left, use right for lid, stir, hand off
Who Knew: is a rightie, holds cup with left, removes top with right.
Mr. Who Knew: is a leftie, holds cup with right, remove top with left.
Vegas Bride: is a rightie, uses right hand to take off a coffee lid
Mr. Vegas Bride: is a leftie, uses right hand to take off a lid.
Kimster: is a X handed person, holds cup with the left, takes lid off with the right
Kiki's son: is a rightie, holds cup with left, use right for lid, stir, hand off
Kiki: is rightie, holds cup w right hand, takes off lid with right [sic] hand. OH MY!
Kik noted videos -- thinks CC is right handed.
Mr. Wrinkles: is a rightie, holds cup with right, unscrews lid or removes lid with left
Wrinkles: is a rightie, holds cup with right "twists off lid" with left
Edited add:
Christee: thinks CC is lefty, maybe ambidextrous... Christee is rightie, holds cup with left, removes lid with right.
Edited add:
Kimster is right handed
Edited add:
Kiki holds cup with right, removes lid w LEFT hand
I could not be objective with a hot cup of coffee with a pull off lid (nothing to test with and was thinking too much about it). I seem to recall stabilizing with right pulling off with left, handing with right.
Unfortunately, the experiment could not produce proper study results. First of all, it was not controlled enough, a number of people knew the ultimate answer being looked for as they tested themselves (which hand do I use). It was not like being blindly handed something, then asked to perform something while someone else observed.
More in a minute... But everyone can look at the above, what do they see, is Chris a rightie, a leftie or ambidextrous.