Choose the right Base for your Kind of Umbrella. If you don’t want to go through the hassle of tightening the knob of your umbrella, get the right base.
Drill the Base Securely in the Patio. For a permanent solution, you might want to consider drilling the base and securing it firmly in the patio.
There you have it, no matter how shaky your patio umbrella is, there are enough solutions that should work for you. Some are temporary while others are permanent solutions.