I thought this was interesting:
http://www.precisiontraining.com/JH.cfm
I know it doesn't tell much, but any thoughts? Back in my SCT days I used the "1 Ton Hooks," and they were awesome to say the least. So this product may actually be of some use...
"All forms of presses and free weight tricep extensions, particularly in the decline position." - Charles Poliquin
Personally, the only work my triceps get are from bench presses.