I've used my football jig mold to make these but it is a process that takes a lot of time as the line ties have to be made as does the bottom hook hanger and unless you severely modify the mold you still need to use a split ring to attach the hook. I was wondering if that jig is paented because it seems like there is a few other companies coming out with that design so if it is possible I think it would sell well as I keep hearing form others asking how to modify existing molds to make them.