Why I love The Lonely Island and Justin Timberlake?
They know how to make "Dick In a Box". :D So here three important steps:
Step 1: Cut a small hole in a box (or bigger if you have a bigger c*ck)
Step 2: Put your ****** in that box.
Step 3: Make her open the box... make her happy. :D
But if you prefer lKEA instructions for making Dick in a Box:
Best. Gift. Ever!
Photos from: http://kottke.org/06/12/ikea-dick-in-the-box