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One of the biggest problems with umbrellas is that the beads on the end of each rod fall off very easily.
The new umbrella beads are unique solution to this problem. The end of each umbrella rod is fitted with teeth that in turn latch onto the inside of the bead, preventing the bead from falling off of the rod. This solution solves the problem of this incredibly simple yet vexing problem.
Li Sha ；Li Zeqian