Folder Compartment: At one end of the cylinder, draw a small tube or cartridge

Folder Compartment: At one end of the cylinder, draw a small tube or cartridge. Add a nozzle at the end to dispense the paste. Dental Floss Compartment: In the center of the cylinder, draw a rectangular or circular compartment that can be removed. Includes a spool and a small blade to cut the thread. Interchangeable Bristle Compartment: At the other end of the cylinder, draw a detachable section or an interchangeable head. Add slots or snap-in mechanisms for replacement bristles.