I've snared hogs before, with snares about like on the back legs of the one you have pictured.
But every one I caught, I caught on the snout...
P.S. We know this ain't sportsmanlike...
you can get them on ebay
God bless Texas----------------------- Old 300 I will remain what i am until the day I die- A HUNTER......Sitting Bull Its not how you pick the booger.. but where you put it !! Roger V Hunter