5 Strategies To Counter Shields - Rainbow Six Siege

I summed up 5 effective methods to beat shield operators based on my experience with Rainbow 6 Siege in this video.
1:02 1. Nitro Cell / C4
4:13 2. Headshots on ADS Shields
7:13 3. Taking advantage of head hitbox (vs BLITZ)
9:32 4. Create angles up and close (VS MONTAGNE)
11:03 5. Melee