Babies get attached to them because of their touch, scent, or sense of security.
Rags also work great to apply furniture polish or for a quick wipe down of doors and walls. After sanding, make sure you remove all dust with a cotton ball moistened with paint thinner. https://www.zashahidsurgical.com/2016/05/13/etiam-laoreet-sem-eget-eros-rhoncus-4/