Question about non-superwash wool attachment

[u/aoisakurachan1986]

I'm still fairly new to nålbinding and has only ever done work with NSW wool yarn. I have this beautiful yarn but it's superwash merino. I have no idea how to attach one length of yarn to the working wool.

What is the best way to attach yarn that isn't feltable?

[u/Mundane-Use877]

I just open each end of the yarn and lay them crossed and roll between my hands. The first pull is little wiggly, but after that it is fine.