Understanding the type of knots that are allowed to be opened on Shabbos.
Scratching One's Beard, Braiding a Wig (Sheitel), and Making Curls in a Wig (Sheitel);
Introduction. What Could I Look At? What Could I Talk About? Where Could I Go?;
Making or Undoing a Ponytail, Braiding a Doll's Hair or Wig, and Scratching One's Head with Fingernails;