Cat Wand Refill - Purple Bug KatFly Cat Teaser Attachments Purple Bug KatFly Cat Teaser Wand Attachment. About 1.5 inches long. Works with any Cat Teaser with a Eye Hook Connector. Made of Deer Hair and Real colorful feathers. Jumps around on your Cat Teaser like a bug! Adds Variety to Cat Wands and brings out the natural hunting instinct Reccomend supervised play time with cats and this toy!