Using a napkin to remove the oil, fish juices used to dip challah in to.
Bringing a Raincoat to Shul for After Maariv in Case It Rains;
Blowing Dust Off a Sefer, Shelf, Table, etc.
Is There a Way to Strain Out a Drink That Is אסור מדרבנן (Asur M'drabanan/Rabbinically Not Allowed)?;