I purchased and used this as a measure against pickpockets when I actually went traveling. I opened the package, but it's unused. Please check the condition in the images. You attach it to the zippers of backpacks and pouches. Align the cut-out parts and insert them, then snap it into the hole to lock it. To remove it, you perform the reverse operation. [BOBINO] Bobino Zipper Clip Slate Gray Bag Zip Anti-theft Key Holder Thank you for looking.