This quick guide provides instructions for applying and inserting a medical device with 4 steps: 1) Remove the adhesive backing and apply the base to the skin, 2) Remove the protective cover from the inserter by pulling it straight off, 3) Press the large trigger button to insert the needle/cannula, and 4) Pinch the buttons on the inserter base to remove and discard the inserter, which now contains the retracted needle. The entire process is to properly apply and insert a medical device such as a cannula.