Will the glass break if it's smashed from two meters high?

With 7.26 kilograms of lead ball smash insole, see if the insole will protect the glass under the insole, in the instantaneous impact under the cushioning energy-absorbing materials to absorb the impact, to protect the safety of the glass, in the process of the movement can also protect the safety of the feet, so that we can comfortably exercise!

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