The fact that a person who commits a violation of Section 288 has used obscene or harmful matter to induce, persuade, or encourage the minor to engage in a lewd or lascivious act shall be considered a circumstance in aggravation of the crime in imposing a term under subdivision (b) of Section 1170.
Source:
Section 1170.71, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=PEN§ionNum=1170.71..