To securely hold your flip book in place.
The YAC 1508N marching mellophone lyre is specifically designed to fit Yamaha marching mellophones. It has a thick metal shaft and powerful springs that will securely hold your flip book in place. Made in the USA with a bright nickel finish.
WARNING: This product can expose you to chemicals including Nickel (Metallic), which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov