BRIGHTENING GARMENTS BY RUBBING
SEIF 5
The Girsa of most Rishonim is that someone is allowed to rub a shirt after it has been washed. Although it will brighten the shirt, the main intent is to soften it. However, rubbing a turban is forbidden because the main intent is to brighten it. The Girsa of the Raavad and Ramban permits rubbing both these items. The Shevulei Haleket prohibits rubbing all types of linen clothing, since we assume the intent is to brighten it. (Since linen is very hard after being washed, softening would act to improve its appearance).
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