Two Massachusetts fathers have created a bulletproof backpack. The bags feature a ballistic panel inside, helping protect students during the school shooting. The backpack sells for 175 dollars.

• 马塞诸塞州两位父亲制造了一种防弹背包。这个背包内部有一个弹道挡板,可以在发生校园枪击时保护学生。背包售价175美元。