Many problems that arise in making egg salad, chopped liver, tuna fish, etc. (Besides the issue of LOSH).
The 5 conditions which have to be met in order to fold the garment on Shabbos;
Why Do We Say a Fly Is אין מינו נצוד (Usually Not Trapped for Its Usage)?;
Addition to 1526: דבר דבר (Dabair Davar): Annulling Vows on Shabbos;