From Ahead:
The Pro Kick™ Bass Drum Dampers are a gel muffling system designed specifically for your bass drum. These simple to install premium external dampers won’t restrict the airflow inside of your bass drum, encouraging the natural sustain and low-end that makes your bass drum sound its very best.
- Includes 4 hi-adhesive clear gel bass drum dampers
- Use on a batter drumhead, resonant drumhead, or on both
- Has a smooth side and a grooved side that can be used for different drumhead surface finishes and dampening effects
- The smooth side is recommended for use on smooth and coated drumheads, but the grooved side can be used on some smooth drumheads
- Restore stickiness by washing with warm water