A sheath for a lacrosse stick includes a cap and a rolled sheath. A writing mode and reproducing modes are switched in the first-stage amplifier 21 by switching a parallel circuit of a feedback capacitor Cf1w and a feedback resistor Rf1w and a parallel circuit of a feedback capacitor Cf1r and a feedback resistor Rf1r. The precursor material is deposited to a thickness that at least fills the cavity of the upper surface of the metallic element. In some embodiments, preprocessing a tag library is carried out by identifying a tag library descriptor of the Java application and copying a listener from the tag library descriptor to a deployment descriptor for the Java application. The digital information includes at least injection profile, history and dose data pertaining to the injection procedure.