Ross Nickerson from BanjoTeacher.com demonstrates on 5-string banjo the Zero Glide Nut system on several songs using the Recording King RK R36. He also describes some details about how the zero glide makes playing easier, lower action possible and demonstrates on video so you can hear the difference. The Zero Glide nut is an inexpensive upgrade for the advantage it provides for around $75.00. More details about the zero glide for banjo and all that is included free with the Recording King RK R 36 Banjos can be found at BanjoTeacher.com. Call us if you have questions, would like more personalized service or for our special deals at 1-866-322-6567 10 AM to 10 PM.