1. Firstly unscrew the cracker  
2. Slide the 8g canister into the nos cracker.
3. Screw the lid on until it is fully closed (The pin inside the lid will pierce the 8g canister when fully tightened) (there should be no gap between the 2 sections of the nos cracker)
4. Carefully slide the balloon over the end of the nos cracker with holes (1cm should be enough)
7. Gently unscrew the cracker until the gas fills the balloon
8. Give the cracker a little tap to release any remaining gas.
9. Remove the balloon by pinching the base.
Please note: Use the cracker at your own risk.
We hold no responsibility for improper use of this product or any injuries sustained whilst using it.