Comments

1. tannerwillow wrote on Aug 20th, 2017:

   Genius.

2. targetsalad wrote on Aug 20th, 2017:

   Man, I am not sure why we don’t have these. Although the breeZe when you open the door is a pretty good indicator.

3. jono_c_davis wrote on Aug 20th, 2017:

   @targetsalad this room had a very small pressure differential, so it’d be easy to miss if something wasn’t working.

4. denyzola wrote on Aug 22nd, 2017:

   So what do you do if the ball goes the wrong way?

5. mauspad wrote on Oct 7th, 2017:

   @denyzola run