Guns, chainsaws, containers of gasoline; TSA bewildered at items travelers try to pass through security To get people back into the flying mindset, thereâs a push to remind travelers of what is prohibited. Rob Monaco, MTN News and last updated 2021-04-26 17:19:16-04 BILLINGS - A call to action for travelers eager to get back on a plane this spring and summer after a year of airline restrictions: Be sure you know what items are prohibited before entering security. âWe see something every single day,â said Transportation Safety Administration spokeswoman Lorie Dankers. She says those items include sharp blades, blunt objects, tools, ammo, and some of the craziest things youâve maybe heard of.