Last night, I had a job for a regular/important client. During the first set, my soprano was having a major problem. The client's friend requested "Misty", but I only do it on the soprano. I wanted to keep them happy, so I figured it out. After the first set, I used sandpaper to remove areas of both G and G# pad cups then used a Sharpie marker to add the protective coating. It solved the binding problem, my client was happy, and I got a $50.00 tip. I love it when it works out.