Watch the movie clip shown at this link to see how to wrap gifts with one piece of tape.  You have to click through a commercial up front, and then be sure to avoid the other adverts.  But this is the web site SLATE, so it is reasonably safe. The movie clip is then right under the headlines.

The URL is http://www.slate.com/articles/life/the_short_cut/2015/12/amazing_trick_for_wrapping_a_christmas_gift_with_one_piece_of_tape_video.html

Or just click HERE

It actually works!