It's next to impossible to return items once you have fallen for this scam. I've found a fast and easy way to end these calls: let them get through their initial pitch about the new catalog and whatever seasonal special event that they are kicking off, then they always ask if I'm still using that 2" tape, same as ever, to which I respond "no, we're completely off tape here. We're exclusively using adhesives here." This confuses them enough to end the call. Feel free to use this non-sequitur next time they call, it's kind of fun.