1.) StephanB - 02/09/2014

Has anyone tried any bow efficiency calculators?

Do you find such tool important to support your archery performance?

I found a tool [url]http://bowbeaver.com/express/?lang=en[/url]

I wonder if anyone use any other kind of tools, I would love to try them as well.

I found the tool from this video:
[CENTER][video=youtube;UXqa13wyaJE]http://www.youtube.com/watch?v=UXqa13wyaJE[/video][/CENTER]

2.) Deerminator - 02/09/2014

I use a chronograph but mostly walk back tuning.