Post any item from your shop that has something in common with the item posted directly above you - connect by colour, theme, shape, material, type of item, or whatever other link you can find...!
Start here:
https://www.etsy.com/uk/listing/202511466/recycled-rainbow-hardcover-travel? (So the next player could post another notebook, something lined, something made out of paper, something with rainbow colours, something with postage stamps, something collaged, etc etc...)