(Kore'a-קורע Ep. 12) (#680) Removing the thin piece of silver-foil or plastic which is on top of a yogurt, leben, coffee jar, etc.

What Exactly Is It All About in Reference to מצות (Mitzvos) and איסורים (Issurim)? What Did We Learn Out From the פסוקים (Pesukim)?;

Part #2. Pulling off a hanging thread from a jacket, socks, etc., and removing a loose button;

more examples of "מבטל כלי מהיכנו" (nullifying a vessel from its normal usage) that come up on Shabbos;