I have a lock-in at my Parent's place that is about 20' up. I started shooting from it about this time last year. I have a Cobra Viewmaster Pendulum sight. I took a few shots this weekend and WOW! Dead on at 10, 20, and 30 yards. What a confidence builder. I also slipped a couple broadhead shots in there. The old SlickTrick grouped right in with the fieldpoints.
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Thank god for kids.