Self-balancing or self-riding bags Camping equipment that contains any kind of fuel Self-defense sprays (mace, pepper sprays, tear gas) Torch lighters Explosives (fireworks, gunpowder, flares, flare guns, or novelty items) Ready-to-eat meals that include flameless heaters Shock absorbers Tasers Knives, guns, or other weaponry Sporting equipment which could be used as a weapon Avalanche packs containing 1.4s or CO2 Recalled, damaged, or defective batteries Certain everyday household items also fall under United Airlines prohibited items list, and cannot be packed in carry-on or checked bags: Aerosolized spray paint, household cleaners and pesticides Bleach Drain cleaners Epoxy Fuel Gel fuel Glue Insecticides Matches (the strike-anywhere kind) Paint Torch lighters Spray starch Recreational self-propelled vehicles and devices designed to carry people and goods have the potential to injure passengers and crew, and as such are not allowed as carry-on

The contact points are spring-loaded so that they contact the inside of the lighter socket firmly, go ahead and check that the contacts are working
Using nicotine replacement products can double your chances of quitting successfully, especially when combined with a strong support system and healthy lifestyle changes
The UK Government has signalled that the prevention of ill health is a significant priority and has pledged to achieve a smoke-free England by 2030