Testing of three different types of fins for the proboat UL 19 Each one is Different too it’s nature 11/13/22 You can find them at Www.madlizardproducts.com 
I will be back with some good action shoots in a few days. Bummer my go pro went down so shoot on the fly with phone. Lol. I’ve uploaded them to the site www.madlizard.com.