Chagiga 13B - The Wings of Angels

1. Which wings were missing from the angels after the Churban (destruction)
2. The symbolism of the missing wings according to the GR"A and Michtav M'Eliyahu
3. The symbolism of the missing wings according to R' Chaim Vital
4. The explanation of the Malbi"m as to the function of the wings covering the face and legs
5. Each experience of prayer and Mitzvah should have a different intent