Some important details as to when "S'char shabbos" applies.
The 5 conditions which have to be met in order to fold the garment on Shabbos;
Scratching One's Beard, Braiding a Wig (Sheitel), and Making Curls in a Wig (Sheitel);
If an Insect Is Bothering a Person So That They Cannot Sleep, Is One Allowed to Capture and Remove It?;