It's just a bit of silliness for someone who wants to be flash.
I can't see that they are really practical.
I've seen a lovely Raven head top nock, again very decorative but not really practical as it was V bulky.
IMO form follows function, and it will look good if you stick to that mantra.
I had to replace the top nock on a bow made by one of the prolific Uk bow manufactures... it was stupidly long past the string but had very little horn below the string and predictably it split
![Roll Eyes ::)](http://www.primitivearcher.com/smf/Smileys/default/rolleyes.gif)
Del
PS. I inlaid a gold arrow pass
![Roll Eyes ::)](http://www.primitivearcher.com/smf/Smileys/default/rolleyes.gif)
it was for a bloke who had some gold rings that he wanted to melt down... I had some help from my mate Mick the blacksmith. It did the job and wouldn't adversely effect the performance.