I read about these in an old copy of Gary Soucie's 'Hook, Line and Sinker' which is a guide to nearly all terminal tackle. In his section on hooks, of which some are quite wacky and still strangely efficient, I spied this fascinating hook that was designed specifically for pike and muskie fishing, ideally through the ice, on a tipup. It's a weird shape, but is made for rigging with a dead minnow, which will hold it horizontally, and the hook point is at about a 75 degree angle from the hook, and is made so when the pike hits it, it is nearly impossible for the fish to throw the hook.
this is the shape of the hook.
Check it out here. http://setthehook.com/pikehooks/
this shows how to rig with a dead minnow or a tube jig. Bet this would work great with a plastic minnow, or maybe a plastic waterdog.... hmmm!
I'm curious to see if anybody has ever used these, and if you know where to buy in Colorado.