A standard fly mask is not generally used while riding, as the stiff mesh interferes with the bridle and the minimal visual impairment of the mesh still presents a safety issue. Other styles of insect protection gear are designed for use with a bridle.
A standard fly mask is rarely employed during riding, as its rigid mesh obstructs the bridle and even a slight visual obstruction from the mesh poses a safety concern. Other types of insect protection equipment are crafted to be used with a bridle.