Big Fat Snare Drum, Snare Bourine, 14in The BFSD was engineered to effortlessly transform any snare drum into your very own vintage, beefy, thumpy 70's-inspired BIG FAT SNARE DRUM. Unlike gels and tape, BFSD lowers the fundamental pitch of the drum without any of the hassle. Created for the drummer, by the drummer, make everyone jealous with your Big Fat Snare Drum.