BLOUNTVILLE -– Someone actually tried to take a meat tenderizer mallet through the security checkpoint at Tri-Cities Airport this year. That was one of the surrendered items on display Wednesday during a press event held by the Transportation Security Administration (TSA) to raise awareness of what not to take on a commercial flight. On the display table were wrenches, box cutters, knives, brass knuckles, illegal liquids and even the metal business end of a rake. TSA regional spokesman Mark Howell said the agency had been taking 25-30 pounds of material off travelers monthly at the airport, and now that’s up to 40 to 50 pounds. “We give everybody the option to go put stuff back in their car,” Howell pointed out.