Drum Workshop SM798 Dog Bone Accessory Arm DW SM798 DogBoneExpand your setup So many drummers consider the DogBone to be the foundation of their expanded hardware setups Pro drummers rely on the DW SM798 DogBone Arm Adapter to expand their hardware kits Add or remove the adapter using the Quick Release clamps while maintaining your existing setup Use DogBone adapters to hold L-arms for toms and accessories or to add a cymbal to the back of your other cymbal boom arms 12" overall with Double 1/2" Quick-Release Clamps