Ah, the government! It's appalling enough that our bureaucratic overlords deemed it necessary to create the following poster, instructing postal workers how to look in a bag. What's even more appalling is that both reliable sources and personal experience indicate that many employees do not study the instructions with sufficient attention!

Three steps! Of course different learning styles must be respected, so if the Elbow and Eyeball Method just isn't working out, the Postal Service offers an alternative: