[Off in the Bushes]

So when ice fishing for pike, what do you use a leader?
Wire, Mono, Fluorocarbon, braid, nothing?
When it comes to treble hooks on the bait what size hooks do you use 2/0 - 8.
Do you just pierce the bait, or hook it head and tail. Do you leave the hooks exposed (1 or 2 hooks in the bait) or try to get them all in the bait.
Trying to up my game on the ice.
Does a highly visible leader or hooks matter?