The Mar-Don glass bead system  attaches to walk-behind stripers for one man striping and glass bead placement and less wasted material. The gravity fed hopper sets up directly behind a spray gun giving the operator a direct line of sight to the spray gun. Thumb screws allow for easy bead spread adjustment from 2 to 12 in. The bead tray is ribbed and fully adjustable, and the bead dispensing door can be adjusted from a setting of 1 through 5 depending on the desired amount of bead.