The effect is adjustable, just adjust The drum of the drum can be tight. Rubber drum ring:The rubber drum ring is tightly fitted to the drum surface, which can be adjusted by adjusting the tightness of the drum skin.
Bass Drum Bottom Port Hole Protection Ring, Protective Ring Percussion
Bass Drum Bottom Port Hole Protector Ring Easy to Use Sturdy Percussion
Bass Drum Bottom Port Hole Protector Percussion Instrument
Bass Drum Bottom Port Hole Protector Ring Easy to Use Percussion Instrument
Drum Amplifier Bass Drum Enhancer Port Hole Protector Noise Reduction for Bass
Drum Amplifier Bass Drum Booster Port Hole Protector Noise Reduction for Bass
