But if ya make that 1x4 board 4' long and move it back to where the top of the "target" hits bout 2 er3" inches ofit with the hinge bout a foot from target end. Then I padded the target end with some rubber belting er (2or 3 thicknesses of inner tube would work) then a piece of plastic cut to the width of 1x4 and cut with the curve of a clay and a piece of old mouse pad under( to pad the clay cuz the snap of that board will bust em without it I garuntee) it will work like a charm. I built one for our club lak that just look real close at the pictures and then make some changes in yer mind, then just use trial and error. You'll get it figured out just takes some playin round. Good Luck Charlie Bull :twisted: :twisted: