has any one ever use one https://www.google.com/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&docid=WmFox6Xb5npwBM&tbnid=rPHK49f5-GpIgM:&ved=0CAUQjRw&url=http%3A%2F%2Fwww.a2zsellspools.com%2F&ei=7xLnUYKCKMfayAGj2oHIDg&bvm=bv.49405654,d.aWc&psig=AFQjCNE--dUFw5fCaq30JgzWQbdmT42VdA&ust=1374184533177004