Some knitters rock while they knit, others knit while they rock.
Check this out. It's a rocking chair that knits, and it was the brainchild of two students, Lausanne Damien Ludi and Colin Peillex, at the ECAL University of Art and Design.
Step 1: Rock
Step 2: Rock some more
Step 3: And voila!
It's a clever concept, but for now, I think I'll continue to knit the old fashioned way. For more details and a video go here: Brilliant Rocking Knit Chair.