It is not mechanically-difficult/rocket-science... it is just (*&$%!! awkward, there's not enough
room to do what you need to do... but if you have patience, you can do it. If you don't have patience,
there's a large chance you'll take a sledge hammer to your Valkyrie after an hour or two

...
Mac, in Tennessee, thinks it is easy... and he is right.. after I messed with it a while, finally I twisted it
just right and it plopped right in... apparently Mac can plop it right in on the first try...
-Mike