Shock Cords News Today

Wind tunnel with me when i first started. >> how do you explain the incredibleness of this? is it the fabric? >> its wind release vents that allow the wind to pass through the umbrella so you dont get wet. what flips the umbrella is wind pressure. because of our elastic shock cords, no two masses can occupy the same space. the wind comes through releasing the pressure, yet it blocks in so you cant get wet because no two masses occupy the same space. >> i want to test my umbrella out. >> before y...