Shot-puts and disci are the smoke and explosive grenades of track and field: shot-puts are heavy, metallic balls that weigh up to 7.26 kilograms, while disci are lighter, metallic frisbees that weigh up to 2 kilograms. Although grenades are extremely useful in battle, improper form and technique can cause throwers to strain their back, wrist, forearm, bicep, or shoulder. Thus, only qualified people who undergo intense training and discipline can utilize these weapons; I am proud to say that I am one of these select few. Read more >>