Step by step guide to building a boat spurdog muppet rig
3. About 30-inches above the split ring, tie in a loop using a blood loop knot. Make sure the loop when the knot is tightened is a good 6 to 8-inches long.
4. Tie in another blood loop 30-inches above this.
The 100lb mono will combat the teeth of spurdog if you use a cheaper hard monofilament. Not a soft one! 80lb Fluorocarbon is also excellent and very resilient to rubbing by sharp teeth. Some anglers use short length of 60lb wire on the hook trace, but this is rarely necessary providing you regularly check for trace weakness.