Essential Guitar Practice Routines: String Skipping Taught by: Danny Gill Expand and develop your string-skipping technique with Danny Gill. One of the most frequently asked questions in the field of guitar education is "What do I practice?". This excellent DVD series provides lessons and pieces of music exclusively written for practicing essential guitar techniques. By combining the technique lessons with the music and learning the piece from start to finish, you will not only improve your ability, but also get a sense of achievement and fun from practicing. 65 minutes, DVD.