ORIGINAL: bucksnortinted
to be honest I am not sure,kind of almost looked liked the (fobs)may take the nock off or slide over the nock on impact,I'm not really sure,I want to check there web site out a little more there is probaly some info. on it.........Ted
The fob is made to pop off...so you loose your nok! but it stays there so you know where your shot was located..
I have a couple dozen FOBS here...haven't tried them...Paul sent them out here for me to use on film.