I would definitely invest in a ball winder. I have had this one for over 30 years
https://www.walmart.com/ip/Lacis-Jum...&wl13=&veh=sem
at least I think it is this one... looks so much like it. the description says it will hold 7 oz of yarn, but, as one of the questions says, I can put at least a pound of yarn on it. Someone says it slips... mine has rarely slipped. I get a ton of donation bulky yarns and it winds them all. When using the wound balls, pull the yarn from the center to avoid problems. The yarn has to be free to pull smoothly to work on the machine.
When doing my knitted knockers, the pima cotton yarn came in hanks... so I did get this swift
https://www.walmart.com/ip/Umbrella-...&wl13=&veh=sem It feels a little rickety but works just fine. And the yarn goes from the swift to the winder.
Some machines have a built in intarsia capability. My bulky did not and I got the Brother intarsia carriage for it. I have used it a fair amount, and even made Christmas stockings with it.
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