The school girls , aged between 16 and 18 , undergo a five - day intensive knife - fighting course to learn self defense . The students are being trained by a former special forces soldier called Inspector Tan who oversees the drills . The 27th March Huizhou Integrated High school purchased 250 knives - with plastic retractable blades for safety . However , dong Tan said following his instructions the girls would be able to defend themselves even with knives .
The school girls , aged between 16 and 18 , undergo a five-day intensive knife-fighting course to learn self defence . The students are being trained by a former special forces soldier called Inspector Tan who supervises the drills . The 27th March Huizhou Integrated High School purchased 250 knives - with plastic retractable blades for safety . However , Instructor Tan said following his course the girls will be able to defend themselves even with chopsticks .