I work stranded knitting all with my right hand. Some people use both, some use just they're left. Do whatever you're most comfortable with.
I think the main thing you have to do is to stretch out the stitches that are at the right tip frequently to keep from the color changes from bunching up.
"Trust the pattern!"
Time flies like an arrow, but fruit flies like a banana.
Hop aboard while we follow the cloud-covered van of knitting harmony, man!! Woooo!! --Hedgehog
IngridKH on Ravelry