Sits Lengthwise to Damp Both Heads at Once! Most bass drum pillows sit horizontally inside the shell. But not the DW Pro-Cushion. This hammerheaded muffling system gently damps both heads internally for a deeper, quicker tone — one thats fatter, more controlled, and ready for scrutiny under close mics. The DW Pro-Cushion is perfectly sized for bass drums 18" deep. Its hook-and-loop adhesive strips keep it from moving inside your bass drum, even in transit or when the music is really thumping. GearNuts customers have spoken: the DW Pro-Cushion is the professional way to tame your kick.DW Pro-Cushion Bass Drum Pillow Features: Fits 18"-depth kick drums Gently damps both batter and resonant heads Produces a deeper tone and quicker thump Reduces overring and unwanted resonance Hook-and-loop adhesive keeps pad planted