Mick Hall › Videos › Using The Philly Shell In MMA > High Elbow Parry Using The Philly Shell In MMA > High Elbow Parry The Philly Shell is commonly used in Boxing but creates some problems in MMA. Mick discusses the pros and cons and offers a variation more suited for MMA. Watch Practically Anywhere. Online, from your iOS device with a free download stream to Apple TV or Google Chromecast