Prevents your microphone rolling to ground from slippery desk. Widespread Use: Suitable for karaoke , KTV, conference room, performance and other places. Also ideal for all outdoor activities such as news and sports. Protects your microphone from slipping from your hand. Helps to lighten shocks and bumps with 4 edge angles. The anti-skid ring is made of silicone, durable and not easy to break. suitable for most standard handheld microphones.