C84 This Is a Test of Life and Death
If you put the grenade in your hand and feel the difference in weight, you can tell if the grenade is real or not.
After all, there was a difference of 60 grams between 200 grams and 260 grams.
Anyone who was more sensitive to weight would be able to tell.
However, you can judge from the height and sound of the grenade that I threw out.
If this isn't nonsense