Using utensils, items that open and close by folding. (E.g., folding tables, strollers, playpens, folding chairs, etc.)
Various examples of "קשר של קימא" (knots tied with a permanence).
More Important Points About Actions Involving One's Hair and the Difference Between Melachot of Gozez (Shearing) and Menapaitz (Combing);