Ji Pang-Ee - Cane. Ji Pang-Ee Sool - Cane fighting technique. The walking cane was a favorite weapon of Buddhist monks, who were fobidden from taking life, and therefore eschewed bladed and piercing weapons.
Master Byung In Lee demonstrating Ji Pang-Ee Sool in his 7th Dahn promotion testing. The fan technique is after the both double longsword demonstration and the fan demonstration - nearly at the end of the video.