Promark Performer Marching Bass - Felt #4 Drum Mallets. Performer Series Marching Bass Drum Mallets are made with select grade American Hickory handles and a special extra-dense felt head. A practical choice for any bass line whether beginners college players or competitive drum corps the Comfort Flare grip makes them easy to hold on to while the upward taper at the head means exceptional balance and sound projection. The series is available in five sizes and is also available in a soft puffy version.