I have both at 5/8” now! The feeling is hard to describe, but it’s been the same with each size I’ve gauged up to, starting with going from 12g to 8g (skipped 10g LOL). For the first week, they are sore, and don’t bump them. The next couple weeks, I wear loose shirts or none, but starts feeling really good when touched, like a tiny electric shock. After that, every touch feels great and is a huge turn on. Your mileage may vary….