I havent been trapping in years, but when I did put out coyote sets, I usually made a mixed set of #2 coil springs and similarly sized long spring traps. I never had enough of the coil springs to make as many sets as I wanted to, so adding in the long spring traps helped out. A long spring wont hold a coyote long, but while they're hoppin and jumpin around, they have a really good chance of stepping in one of the other traps in the set. I also remember having some #2 coil spring traps that had 4 springs on them rather than the standard 2, but I'm not sure what brand they were or where i got em...