Knot breaking strenght testing

[michauxii]

I hope I can explain this question properly..bear with me!

I've been watching Berley Knot Wars, and it is pretty interesting watching the breakung strengths of various popular knots.

A given knot is tied and the line is tied to a scale. Tension is pulled and the break weight is recorded.


Here's my question and an example..

Let's say we want to test a line to leader knot. We'll use 30# Seguar flurocarbon leader and 30# Power Pro.
We'll use a modified albright knot.

One end of our new rig is tied "somehow" to the scales and the other end must be anchored"somehow."

The "somehow" has be stumped! If the scales have an S hook, then we would need to tie a knot to hold the line.. and that knot may not be as strong as our albright, and we really don't want another knot in the test anyhow.

So how do they anchor off both ends of this rig? Some kind of a clamp?
Several half-hitches?
I dunno.
What say ya'll?I did call Berkley and they didn't have anyone around that could answer this question .