Silk scrunchies, and what silk actually does
Silk reduces friction rather than pressure, which is a different benefit from a seamless elastic. Momme weight, how to spot real mulberry silk, and how to wash it.
Why hair ties leave a dent, and which ones do not
A crease is a pressure point, not a hair problem. What the metal crimp does, how seamless and spiral ties avoid it, and where each one is worth using.