Mad Trapper, I have seen/used a couple of sets in the past. One is to simply put a 330 conibear at the hole entrance. This is effective when you see fresh digging and tracks when there is snow cover. Simply follow the tracks to the hole the badger is currently in and set the trap. It's good to camoflage it with a little grass and make sure the hole is large enough so that when sprung the trap does spring it will not hit solid ground and "jump", resulting in a miss. If the hole is too small dig it out to make sure this doesn't happen. The second method is to make a small stucco/chicken wire "pen" around the hole. Have one opening in the "pen" the size of a 330 conibear and then simply put one there. If using this technique stake the wire down so it may not be pushed over. In the past auction badgers averaged $39 and the top lot went for $106. I hope this helps.