Hello everyone, I just spent a few thousand dollars on a new heavyweight leather sewing machine, and I cannot seem to not get presser foot marks on the leather, especially the vege-tan leather. I understand that vege-tan leathers are easily marked, but there's no way for me to avoid using vege-tan leathers in my work. Even when I use waxy leathers, it's still getting marked. I tried releasing the foot pressure as much as possible, and also buffed out the bottom of the foot, but it only helped little. Based on some other's vege-tan works I've seen--without any presser foot marks--I cannot help but to think that there's some secrete method or super sewing machine out there. Any wisdom or advice? Thank you so much.