1.   Authorities are removing plastic knives from bagel stands.

2.   Even plastic knives are not allowed in the terminals, a change that has some food vendors considering changes to their menus.

3.   Even plastic knives were banned.

4.   For example, the Federal Aviation Administration says plastic knives are not allowed beyond security checkpoints.

5.   He has been known to take his own plastic knives and forks to a restaurant.

6.   Ian Sorkin dug a plastic knife into the brick wall, chipping away at the cracked paint an inch at a time.

7.   Last year, he created a real show stopper from styrofoam balls and clear plastic knives, forks and spoons.

8.   No plates or plastic knives.

9.   Newly forbidden items include knitting needles, baseball and cricket bats, plastic knives, pool cues, darts, silverware, toy guns, catapults and disposable razors.

10.   Now, no metal knives or cutting instruments are permitted on board, and all passengers receive plastic knives with their food.