https://m.youtube.com/watch?list=FLznY_iz7u7Pq8u4WF96QY_g
1. Have at least 1 friend playing with you
2. Log off.
3. Immideately join back the same server you were in.
4. Wait until the respawn counter says 20 seconds and tell the another player to kill you by shooting you in the head
5. Spawn with your gear on and another set of yourself laying on the ground, dead.
6. Take the items from the dead body and see dozen people repeating the same process again and again, until there are millions of M4s and Smersh vests.