Why Foam Sponges Create Swirls

pad saver to begin with I was using just um sponges to sand in between coat or I I think I might have even used film Tech which was causing me to get some walking to get some Swirls and I was trying to eliminate the swirls with sponges like super fine sponges but that's probably not the best thing to do right no and and another thing that another big reason why you would get swirls with foam would be using the wrong thickness or the wrong density of uh sponge the half inch sponge has has been sold from the very beginning was really the first one that came out in the U.S right and so it was sold at trade shows and the neat thing was is that you would see it on the sander and you'd see it on profiles so everybody got all excited because you could get into the profiles and the flutes on the profiles right and so everybody was all excited about it and they bought it and they bought the kit and they got the half inch out and they immediately went to sand and they would sand in all flats and what ends up happening when we sand on Flats with the half inch is that this abrasive grain recedes into the sponge right so you're having your you have the weight of the sander on that sponge and as you're sanding again direct drive system it's spinning and it's causing it to catch and twist and that's going to cause you Sorrel marks and cause you a lot of problems so it's kind of like fighting myself using the wrong abrasive for the wrong thing so um so this is really good information to know so we now have these um are they