https://stream.echo6.co/videos/watch/60a45980-cbcd-42ab-86bc-6b3cca901b6c Plumbing and heating expert Richard Trethewey asks landscape contractor Roger Cook, host Kevin O'Connor, and general contractor Tom Silva to guess what this small red double suction cup might be. SUBSCRIBE to This Old House: http://bit.ly/SubscribeThisOldHouse About What Is It?: Watch the Ask This Old House guys (along with special guests, including Nick Offerman and Jimmy Fallon) try to figure out an obscure tool's purpose. Consistently some of This Old House’s funniest and most popular videos, “What Is It?” will keep you laughing…and guessing. About Ask This Old House TV: Homeowners have a virtual truckload of questions for us on smaller projects, and we're ready to answer. Ask This Old House solves the steady stream of home improvement problems faced by our viewers—and we make house calls! Ask This Old House features some familiar faces from This Old House, including Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, and landscape contractor Roger Cook. Follow This Old House and Ask This Old House: Facebook: http://bit.ly/ThisOldHouseFB Twitter: http://bit.ly/ThisOldHouseTwitter http://bit.ly/AskTOHTwitter Pinterest: http://bit.ly/ThisOldHousePinterest Instagram: http://bit.ly/ThisOldHouseIG http://bit.ly/AskTOHIG Tumblr: http://bit.ly/ThisOldHouseTumblr For more on This Old House and Ask This Old House, visit us at: http://bit.ly/ThisOldHouseWebsite Red Double Cup | What Is It | Ask This Old House https://www.youtube.com/user/thisoldhouse/ Mon, 13 Apr 2026 12:49:48 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://stream.echo6.co https://stream.echo6.co/client/assets/images/icons/icon-512x512.png https://stream.echo6.co/videos/watch/60a45980-cbcd-42ab-86bc-6b3cca901b6c All rights reserved, unless otherwise specified in the terms specified at https://stream.echo6.co/about and potential licenses granted by each content's rightholder.