Chapter 302 Section 4
In times of chazal they had clothe presses that were closed very tightly.
They were prohibited to be opened on Shabbos as it looked they were being
broken.
Chapter 302 Section 5
Clothes like linen, you can rub to make them softer but not to give them a
cleaner look.
Chapter 302 Section 6
You can take off mud from your shoe with a utensil.