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Lithium batteries - Lithium batteries have the potential to leak dangerous substances.

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Snooker cues - Snooker cues could be used as a weapon, and as such are banned from travelling aboard planes in Australia. 

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Wrenches - Wrenches are an odd thing to ban, but could be used as a weapon.

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Matches and lighter - You're only allowed two lighters. Any more and you could be holding them alight, like at a concert. 

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Bodkins - Used for sowing, bodkins are no longer allowed on planes because of their pointy sharp ends. 

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Cricket bats - Sure they're weapon-like, but swinging around a cricket bat on a plane is a bit of a nuisance.

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Hypodermic needles - Without proof it is medically required, hypodermic needles are banned.

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Cable ties - These are banned because they can be used to restrain people.

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Pieces of wood - In case you were planning on bringing some random pieces wood on a plane with you, remember they have to be checked because of their potential for use as a weapon.

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Screwdrivers - Oddly enough, screwdrivers are banned, because of their pointy ends.

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Aerosol containers - These things can explode, or set on fire so either way, too dangerous to fly with. 

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Rock climbing equipment - A pickaxe is a pretty brutal tool, and will not be accepted on any flights for obvious reasons. 

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Martial arts equipment - Things like nunchucks are banned, and with good reason too!

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Crampons - Crampons are banned because of their potential as a weapon, but anyone using these outside of a mountain range is cooked.

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Ski poles - These have the potential to be very jabby. Check these items when flying to your hiking destination. 

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Metal cutlery - Don't go stabbing people with your metal spoon! BYO cutlery might sound good in practice, but it won't get you on a flight. 

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Drills - Any DIY equipment is basically banned.

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Box cutters - Sure they jab, but they snap off pretty fast too.

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Darts - Your plans for playing darts aboard the plane are ruined.

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Ice picks - All mountaineering equipment is basically banned.

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Ice skates - Even if your blades are dull, no fancy ice stakes can be taken into the cabin of a plane. 

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Swiss Army Knives - This might be self-explanatory, but a Swiss army knife with a corkscrew is useful.

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Open/straight razors - Disposable only aboard Aussie flights.

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Golf clubs - Clubs are heavy, meaning you'll have to pay for the extra weight checking in.

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Scalpels - Medical equipment is highly regulated and not able to fly. 

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Handcuffs - No one can carry these aboard without a permit.

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Petrol - How many people have actually tried to bring petrol aboard?

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Fireworks - Forget your Australia Day celebration kit at home!

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Axes - Ok, you got us, this one is obvious.

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