With no harness, i get tired and sore fast with my 4 pound detector , with the Detecting buddy that is greatly decreased, but the ultimate tool was discovered 5000 years ago by the china man, the bucket harness wich can be quckly adapted to a metal detector , and i tried it out in a preliminary run and it worked great , no sore back at all , and the thinig is when i hunt farm feilds i cover a closal amount of ground and this is fast and puts the weight evenly not srenching my back to one side i hold the shovle with the left and swing with the right this is the best so far , i just need some minor adjust ments to fine tune it [video]http://www.youtube.com/watch?v=BlIjZ4RODgM[/video]