These things are slippery when wet. They could be on shelves in a few years. They aren't all that much slipperier that a well lubed condom but they stay that way longer.
https://www.theguardian.com/society...mail&utm_campaign=LabNotes&CMP=labnotes_email
https://www.theguardian.com/society...mail&utm_campaign=LabNotes&CMP=labnotes_email
