The claim. GustBuster is the only "UN-Flip­pable, UN-Flappable, UN-Leakable umbrella in the World!" boasts its manu­facturer, touting the "exclusive, rain­drop-shaped wind-release vents ...

Conclusion, I fell, eating a bit of sand and without leaving the umbrella in case the wind took it away, since it was borrowed and I did not want to lose it. Quite an adventure." South Carolina's ...