1. Match the hinges of the Slicing and Grating Insert Holder with the Base hinges and push down to lock.
  2. Select the slicing or grating blade you want to use and then by aligning the + and – symbols, insert it into the blade slot on the Slicing and Grating Insert Holder until the blade locks in place
  3. Lower the Slicing and Grating Insert Holder into the Base.