I have a lot of denim skirts I wear during the winter (and to various church functions that require me to wear skirts. Which is all of them.) I can't stand them. They all had splits in the back that were waay too high for my taste, and I felt exposed. Since I couldn't say "The heck with it" and put on a nice pair of pants, I made some modesty panels (also called kick pleats) and "fixed" them.
I fixed five skirts in all, the one on the top is my favorite.
I used a tutorial that was originally on Pintrest. It led to This blog: