We had one at our 3D shoots , years ago and charged a dollar to shoot three times through it to any non-members , as it paid for itself , but tied up a guy !
It did quit and we never replaced it !
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Proud owner of one of the original Jennings " Buckmaster " bow , a true deer slaying machine !
I have return to bowhunting in 2012 and have the venison in the fridge to show for it !