Originally Posted by trixievictoria
And I am sure in a week you would memorize all shoes that are travel approved ..and discern all passengers who claim to be wearing those particular type of shoes....and are not...
No need to memorize all shoes that are travel approved. You only need to memorize one thing: sole thickness. The rest is up to the WTMD, if it doesn't beep, and the soles are less than [SSI Information removed] inches, then let the person through. It's as simple as that. See, some free advise.