How To Use 1. Click-open the lower part of the gas knob cover. 2. Set it under the gas knob, and click it close. 3. Re-install the gas knob. Product Features: 1-Prevents from Huge damage due to Gas Fire. 2-Transparent cover allows you to see whether stove is on or off. 3-Now your unintentional kid cannot open it and is saved from this danger. 4-It also Blends into your home dcor 5-Very easy to install in seconds. Knob removal is not required at all. Caution & Tips: 1. This product is not a substitute for adult supervision 2. Make sure gas knob is removed and replaced properly. Use help if you are not confident 3. Always close the upper lid when gas knob is not to be used so as to avoid children from using it 4. Always double check that gas knob has been turned to OFF position when gas is not in use 5. Never put the guard near direct flames 6. Stop using immediately if the guard is interfering with regular operation of the gas knob. "