@amazon, Sport-Brella Versa-Brella All Position Umbrella with Universal Clamp $15.30
4-way swiveling umbrella
Universal clamp connects to most surfaces
Folds down together for compact transportation in included carry bag
Swivels on two push button hinges for easy adjustment
UPF 50+ lining for maximum sun protection
4-way swivel using two push button hinges for easy adjustment