Say GOODBYE to step up rings! Say HELLO to REVORING!
(By Philip Bloom)

The Only Filter You'll Ever Need - RevoRing: Vari ND + CPL with a BIG difference! 
(By Kai W)

H&Y RevoRing Review: The best filter holder?
(By DPReview TV)

Use ND Filters FASTER! (Xume Adapters & RevoRing Review) (By Matt WhoisMatt Johnson)

H&Y Revoring Variable ND + CPL Filter UPDATED version - Demo & Test
(By Brandon Li)

Baily Lighthouse Vlog | H&Y Filters RevoRing CPL & 8.5 Stop Magnetic ND Filters Review(By Mark Duffy)

Best GH5 ND Filter? H&Y RevoRing VND+CPL with Magnetic Black Mist Filter for the Lumix GH5
(By Caleb Hoover)

H&Y RevoRing - the BEST Magnetic filter system?

(By Peter Forsgård)

Photography Filters The Revoring Swift System
(By Gary McIntyre Photographer)

H&Y Black Mist Filter With RevoRing - [My First Impression](By Peter Forsgård)

REVORING From H&Y Filters - Goodbye Step-rings
(By PhotoBite UK)

Goodbye Step-up Rings! - REVORING – the Variable Step Ring Adapter 
(By CineD)

The End of Step-Up Rings? / REVORING REVIEW
(Todd Dominey)

H&Y Revoring - One Ring to Rule Them All
(Richard Wong)

H&Y REVORING Swift - World's First Magnetic Modular Filter System for Photographers & Filmmakers
(By H&Y Filter)

Now THIS Is Cool - RevoRing Kickstarter Launch
(By Flick)

H&Y Magnetic Filter Holder - this is the future!
(By Photogearnews)

The H&Y RevoRingSWIFT Filter System - Review and Demonstration | Versatile Filters for Photo & Video 
(By Nicco Valenzuela)

Most Convenient Filter System I've Used - H&Y Revoring Swift
 (By ZY Cheng)

H&Y REVORING variable ND+CPL
(By Phonlamai)

H&Y Revoring Swift Filter System
(By DickyKwok TV)

REVORING Swiftシステム解説動画
(By H&Y Filter)

H&Y K-series Magnetic Filter System 100mm
(By H&Y Filter)