Marshin,
Thanks for the tip. I have some Muskrat Super All Call on hand, and will be trying it on my next woodchuck job. It does have a very unique ( but familiar smell to it ), I even asked the wife to take a whiff once :-)
Asa,
I remember you telling the story previously of how you came upon the secret ingredient....quite interesting. Assuming that your muskrat lure is a combination of rat glands plus the secret ingredient, which as I recall was a 'food-based' item, would you consider testing the secret ingredient alone on woodchucks ? Just curious - there is a good market for woodchuck lures/paste baits, etc. - I've used most that are currently on the market and some work well for me, others not. Who knows, perhaps the rat glands hold some attraction for the chucks as well... I'll let you know my results with the Super All Call after I give it a good try.
As a side note, your state of MI has some real top-notch wildlife control operators, should you ever need any product testers.... I have met several from there that are true professionals.
Regards,
Mike