For what it is worth, here is a link to the installation manual and a How-To video for the prop locks:
http://download.djiinnovations.com/downloads/inspire_1/en/1345_Propeller_Locks_Quick_Start_Guide_en.pdf
http://download.djiinnovations.com/downloads/inspire_1/en/1345_Propeller_Locks_Quick_Start_Guide_en.pdf