The DWSM774 Dogbone. The DWSM774 Heavy-Duty Dogbone has an Angle-Adjustable V Clamp at One End and an Angle Adjustable Eyebolt at the Other. It can be Added to Any Existing Arm, Rod or Tube to Attach Additional Drums, Cymbals or Accessories. Includes One SMMGM V Memory Lock for Easy Set-Up. ***This item may ship direct from the manufacturer. Please contact us for estimated delivery if needed.***