Here I am to show you another way of casting off on a knitting spool and it's really easy.
So, you've knitted a tube to the desired length and want to cast off.
Cut the end of the wool you're using making sure it's long enough for what you want and thread it through a sewing needle.
Starting on the next stitch push the needle under and up like so.
At the same time remove that stitch from the peg making it go up and over the peg.
Carry on like this until the very last stitch. Remove it from the peg and pull the wool to close the tube. Sew a stitch or 2 to make sure it won't come undone and that's it.
On one of my next posts I'll show you how to make a flower with your knitted tube.
Just a reminder that this is how I do things and it works for me, if you look on the web you'll find many other methods for casting on and off on a knitting spool.