Amazing indeed Chinese women hold half of the sky . This is another good legacy of Mao time he freed Chinese women from bondage and servitude and make it a productive member of the society.
Real progress compare to their Korean and Japanese counterpart
I saw that like years ago. There was another one where the grenade actually fell inside the enclosure with the trainees and the instructor had to pull the trainee behind a wall a split second before the grenade exploded.
I guess it takes some effort to hold the ring and at the same time release the grenade from your hand. The average person will automatically straighten all the fingers when throwing something, and the ring would come straight off the finger without the string getting pulled.