A shaving demonstration apparatus having a rotatable support surface. A drive unit is operatively connected to the rotatable support surface. A fixture is spaced apart from the rotatable support surface. A first shaving razor has a first handle having a central longitudinal axis, said handle mounted to the fixture. A first blade cartridge unit is mounted to an end of the first handle, and rotates about a torsional rotation axis with respect to said handle, wherein the central longitudinal axis and the torsional rotational axis are generally parallel. The first blade cartridge unit contacts the rotatable support surface.