Puluz Brand Photo Accessories, GoPro Accessories - PULUZ Professional Interview Condenser Video Shotgun Microphone with 3.5mm Audio Cable for DSLR & DV Camcorder
Deity Microphones S-Mic 2 Location Kit Moisture-Resistant Shotgun Microphone with Pistol Grip Shockmount and
What is a shotgun microphone? How do they work? - Quora