Glasser Advanced Composite Cello Bow, Standard 4/4 Size by Glasser. $165.00. These bows combine the finest composite materials and high-tech computerized design. The shafts feature the resilience and the liveliness of wood while retaining strength, stiffness, and consistency for years. They will never warp or need recambering like wood bows. Fully German silver-lined ebony frog with Parisian eye. Imitation leather grip. High-grade horsehair. Made in the USA.