just as it says on the tin back in 1991 i had three archery shops in australia and was testing some new mechanical broadheads ( well they were new back then ) and i recently found some footage of the goat taken with them
heres what they look like
and heres a link to the video
http://www.youtube.com/watch?v=lZfJdH2g73Y
they worked great with out any problems i still have 8 left and three packs of replacement blades