Hello, I am Stephen a newbie in this forum. I am also new in archery. I like to read everything about archery so I can shoot better. Lately, I watched an amazing video about a trick shot Do you think the same? I have gone through the website and was wondering about the bow efficiency calculator. Have you used any of those tools? Do you find them helpful? I found lack of informations about such efficiency calculator. Maybe you could share me similar tools. Double Move Shot (Trick Shot) - Amazing Shot With An English Longbow - YouTube Bow Beaver efficiency calculator