HOW TO Step 1: Set your hand at the hottest temperature setting. Step 2: Place MR.lemonhead patch in the desired position and place a pressing cotton fabric over top. Step 3: Press the iron straight down for 35-45 seconds with as much constant pressure as possible. NO BACK AND FORTH. Step 4: Turn the garment inside-out and repeat steps 2 & 3. Step 5: Allow the patch to cool down. ENJOY !!