Jane has used Frankenstein yarns, made of several bobbin ends wound together, to create a thick yarn to use in various projects. Is there an efficient way of winding these? As you need to add some twist to it as you go, I am flummoxed.

I have wondered the same thing. Also, since I think they make the yarn from bobbin leftovers, when you get to the end of one bobbin, are you knotting it to the beginning of the next bobbin?

Hi Meridee, this is what I got back from JST:
“ You could do it by just winding your 2 threads together on a bobbin under the same tension or - if you are a spinner, just give them a slight twist to hold them together while you weave. I'm pretty sure Jane doesn't do it the second way - she is not a spinner ;-)”
I put my 3 bobbins in three small bowls, and wound them onto an empty bobbin together, but not twisted. They turned fairly well at the selvedge. When they didn’t, I tried, as Jane suggests, to pull the threads that were a bit looser at the selvedge into the shed, the slack being absorbed in the beat. This also worked pretty well, but the group became less cooperative as I came to the end of the bobbin. Having said that, this creates quite a thick yarn so there’s not that much on the bobbin. I knotted the ends when one bobbin ran out. I haven’t washed it yet. So I don’t know what it will look like. This was a bit fiddly, but for a few placemats with leftovers, it works. I have also started winding bobbin ends tied together onto empty tubes in rough color groups, planning to use them as weft for a fluffy scarf some day.
The top half is only the Frankenstein yarn. The bottom half is one pick each of the Frankenstein thread and black - quite different effects.
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if you have a one-ended bobbin winder, like a swedish style one or the louet one, you can use it like a spindle to add twist while you wind the bobbin. hold the yarns at an angle so they pop off of the end of the winder, and they'll get twisted when you turn the crank. then when there's enough twist, move the yarn back so that it winds on to the bobbin. you can rewind the bobbin after you've loaded it with twisty yarn so that it gets packed smoothly.

You must be a spinner! Thank you.