What are the two Teflon strips for? August 02, 2021 07:17 Updated The strips are to give you a smooth scanning experience, and to protect your wall surface . Related articles Why isn’t there a gel pad? Why isn’t a plug supplied with my charging cable? Can the Walabot DIY 2 be used on the human body? Can I use a computer or tablet with the Walabot DIY 2? Is there a safety risk when using the Walabot DIY 2?