Here is a clever way to attach a GoPro to just about anything. The best thing, it will cost you almost nothing.
If you have your GoPro connected to a tripod mount (which you really should have) then it’s one of the easiest DIYs you saw here on the blog. It involved a Spring Clamp, A Small ballhead, a machine screw and two nuts.
The clever bit is replacing the flexible arm with a small ball head (we tried both the $5 option and the Giottos option, we agree with Dustin, the Giottos are worth the $10 more). But depending on your needs, you may not need any of the ballheads and just go directly into the Tripod adapter – you would still have swivel, and it will take away the most expensive part of the build.