Testing with his friend Roger

Walter decided to introduce his new invention to his friend Roger.

Roger was 38 and a ladies man.

In the late afternoon, Roger pulls up in front of Walters house and quickly gets out of his car. He's not sure what's so important that Walter asked him to come over immediately. However, there was a sense of urgency in Walter's voice Roger hadn't heard before so he didn't argue and came straight over. Wiping some sweat off his brow, Roger quickly rings the doorbell and waits.

"Gimme a minute! I can not do everything at once!" he hears a voice calling from inside.

After a few more seconds of waiting, the door opened and Roger was astonished to see...