I am currently knitting an afghan which is composed of squares knitted together in strips and then sewn together. In the instructions it says that when you finish one color and go to the next one that you should "drop" that color and start with the new one. Does that mean I need to cut that yarn leaving a small piece to weave in later and then just continue with the next color?
To be honest, I am not sure what the pattern designer means by 'drop' the yarn. I would suggest that you read ahead in your pattern to the section on making up or finishing your afghan as it should have instructions on how to manage the colour changes.
I would probably cut the yarn myself as I tend to get in a tangled mess when I am working with multiple balls of yarn. You are correct that you would have to leave a long enough tail to weave the end in when you are finishing your afghan.
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