Throw that junk away and buy a nice hunting harness by HSS or another manufacturer.
Point is you wont take the time to put on the complicated mess they give you for free....
Or if you want something cheaper and easier to use get a rock climbing harness and a linemans type tree strap.
This is what I use below and love it.
http://www.rei.com/product/699550/bl...imbing-harness
http://www.sportsmansguide.com/produ...strap?a=708694