Chulin 7-2: Ein Od Milvado - The incredible biur of the Nefesh Hachayim, and Rav Moshe Shapiro's explanation of a very difficult Rambam.
Chulin 13: Goyim in Chutz La'aretz Are not Idol Worshipers - The difference between them and the ones in Eretz Yisroel.
Chulin 16: Midbar vs Eretz Yisroel, Shavuos - The reason why in the Midbar Am Yisroel either couldn't have Ta'avah meat, or were allowed to eat a Neveila, and the connection to Shavuos.
Chulin 17: When Pig is Allowed - The reason why it was allowed during the conquering of Eretz Yisroel.
Chulin 14: The Definition of Shechita - The reason it is valid on Shabbos, and why one should not pursue this Mitzvah.
Menachos 106: Forgotten Donation Amount - One must pay the most he would give, the reason behind this.
