I don't like MSH in webbing, Rope and cord sure, but in webbing you loose a % of the strength factor.
My Answer is the Line Locker.
Easy to put together!
Will hold!(even under Extreme Tension)
Doesn't twist webbing!
The only draw back, You have to DIY one. It is a chain link with 1/2 welded 90° on the side. Use a piece if ski pole as a pin.