Lettering, numbers, pictures that are part of a cookie or cake itself. (It's all one dough).
Does It Make a Difference How One Removes Something Growing from the Body (e.g., Cutting vs. Biting Nails, Cutting vs. Plucking Hair)?;
Running for a Mitzvah and if It Is Raining;
Picking Up Fruits Which Fell Off the Tree on Shabbos. Walking on Grass Barefoot;