A sheath liquid supplying apparatus includes a syringe including a piston and a cylinder slidably accommodating the piston and a stepping motor for causing the piston to slide in the cylinder, wherein the cylinder has an injectionsuction hole of a sheath liquid positioned at a distal end thereof and a gas introducing hole positioned at a side wall thereof for introducing gas into the cylinder. The light emitting diode module includes a printed circuit board and a light emitting diode joined thereto through a solder paste. Personalization may also include insertion or replacement of an object, and full or partial replacement of the background andor sound track. The sabot has a rectangular cross section and inserts into a corresponding rectangular opening in the muzzle end of the arrow rest assembly.