I really liked the concept and bought some a couple of years ago. The experiment didn't work out for me, but I wish you the best in seeing if they work for you.
Ive been interested in these as well, when you shoot and get a pass through, do you just put another Fob on and good to go or do you have to tune?
I've always looked for the FOB and put the same one on...but I haven't had problems with putting new ones on and having it throw my arrows out of whack.
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