One of the toughest parts,  was choreographing what didn't appear on camera -- making sure that the 12 dog trainers and two furniture movers working behind the scenes could complete their work without crossing in front of the three cameras filming the action.

Another tricky thing was keeping the video's theme secret. "Everybody signed a confidentiality agreement not to Facebook or Twitter or discuss the shoot .

The best part about the video, in our opinion, is that OK Go is using it as a platform to help needy animals. "Most of the dogs in the White Knuckles video are rescues