No cutting. Just drop the one yarn and knit with the other. Bring the new yarn under the one you're stopping to carry it up the inside and it will twist when you work the next row.
"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