Weaving with a cardboard loom part 1

I've got some scrap wool and plenty of scraps of thick cardboard so I thought I'd try weaving! I'm aiming to make some coasters and will give them as gifts or sell them on my Etsy shop.

I'm following this tutorial on Instructables, as they describe the process much better than I could. I'll share more photos when I've finished but here's the progress so far....