If you have never seen the Time Out Jumper I put a short video on UTUBE under Time out jumper. I brought the TOJ to the 2013 National Safety Expo in Chicago last week and it was a big hit. Apparently many occupations have the same problems.

Any thoughts on them since you have used them?
Good/bad?

It only takes a couple seconds....to cause some damage or a fatality. Using these incorrectly will still cause injury or damage.

TOJ is just as dangerous as any jumper closed but is a million times safer than a forgotten jumper that wont time out and become harmless on its own.