Two Screen Pop Filter: The first screen blocks air bubbles like any pop filter normally would; the gap in between then disperses any remaining air pressure so that once the pressure passes the second screen, it easily catches.^ Adjustable Gooseneck: The metal gooseneck holder supports the weight of the filter and holds it in place. You can adjust the angle and distance between the screen and the microphone.^ Universal Compatibility: Adjustable screw swivel clamp with anti-scratch gripper can attach to MOST tube bases or mic stands (Maximum diameter:15.5cm).^ How to use: Avoid the dreaded hissing and lisping sounds that come from pronouncing the letter "S" and blocking the ugly "Explosives" that follow "B" and "P". It's a great item for singers and actors alike who want help in achieving the best possible performance and to help protect against spitting all over your vocal mic.^ Easy Assembly & Disassembly: Swivel bracket for easy assembly. Mic Stand and Shock Mount are sold separately, not included.