Originally Posted by
Often1
All unlikely. If the brace is not metallic and you go through a WTMD, you probably won't even alarm it. If you go through a scanner, tell the TSO what it is first and you will likely only receive a limited pat down of the area.
I refuse to go through the scanners. The brace has metal parts, so it will set of a WTMD. I'll notify the screening clerk before I enter the WTMD or before I opt out.