2 Metaphors for flannel

1. Flannel, next to the skin, is a pleasant flesh brush; keeping up a gentle and equable irritation, and promoting perspiration and every other function which it is the office of the skin to perform, or assist in performing.

As Whiting was also troubled with rheumatism, the President dropped affairs of state long enough to write him that "Flannel next the skin [is] the best cure for, & preventative of the Rheumatism I have ever tried."

2 Metaphors for  flannel