I've never seen this, but I understand the logic and operation behind it, and I'll get one (or more) a-coming ASAP!I have a 8n tractor I keep in a shelter logic in the woods 15 miles from my home.
I use one of these traps with rv antifreeze in it to drown them.
Last time I checked it there were 9 dead mice in it.
I Just set it near the tractor.
Works good, especially when you cant check it often.
To bait it you just smear peanut butter in the back top of the lid.
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Thank you, sir! Sincerely!