What is Bobby doing?

[Bingo]

...from the 25 second mark to about the 40 second mark?

http://www.dailymotion.com/video/xjav7_goi...-zeppelin_music

I can think of a couple of things.

[Rorer714]

Maybe he had a cowlick on his arm or maybe he smudged the lyrics he had written down on his arm and tried to wipe away the ink smears.

[eternal light]

He's smiling at Jimmy Page.

[jabe]

Well,seeing that it is Going to California,he's singing about smokin' his stuff and walking the line.

And as Ms light replied,he's smiling at Jimmy.

May I digress?

I hope the young woman at the beginning of the clip received a discount.

[imPLANTed]

I don't know what he's doing, but dude, you're doing that in front of how many people?!?! Anyway, thanks for the laugh. I did laugh my butt off. I couldn't help but keep replaying it.

[PennyLane]

He thinking, what am I doing here? Let's go for some beers and smiles.

[glicine]

Maybe he was just bitten by a mosquito.

[BUCK'EYE' DOC]

I had noticed this before while watching the DVD and got a laugh from it.

Looks like he saw a spec of dirt on his arm and tried to rub it off? Or perhaps lipstick from one of the groupies just off stage? And then he gives that look of acknowledgement to Jimmy!