Various interesting cases in conjunction with weighing on Shabbos.
Cutting Dental Floss; Questions Which Come Up with Toilet Paper; Opening Small Packets of Sugar, Ketchup, Salt, etc.
Replacing a Watch Band, Working with a Necklace and a Pendant or Clasp, Rubbing off Chalk Marks on the End of the Sleeve of...
When a Cat or Dog Is Domesticated or Partially Domesticated;