Mixing Scrum and Kanban (Scrumban)

At my previous job, my team was part of a pilot to switch over to an Agile methodology for development. It was generally successful so we continued doing it after the pilot had ended. We started with Scrum, and did Kanban when needed, and ended up merging the two into a sort of "Scrumban" process. This was just based on our experience with the two processes as a team, and not based of any official sort of Scrumban process.