Looking for clarification on Stomps I am not familiar with.

There are three stomps in the Kemper effects list I do not yet understand how to apply them. Shaper, Pitch Shifter (less Transpose and Pedal Pitch) , and Effect Loop.

Shaper - I read in manual that Hendrix used an Octavia (Octa Shaper?) for Purple Haze but I thought is was a Fuzz pedal. It's that the way to apply the shaper - to get sort of a fuzzed distorted sound that's kind of choppy?

Pitch Shifter - Any examples of the Chromatic and Harmonic pitch in use by a musician or genre?

Effect Loop - Only experience I had with a loop is the effects loop in a tube amp. Does this implement another effects loop in the rig to add stomps that will behave as if the are loaded into the Effects block on the profiler?

Quote from Ruefus

Effect loop is for bringing outboard pedals into the chain. Just like a tube amp.

So you use the send --- return on back of the kemper as a loop, but instead of using a switch (like in Input settings page) to engage it, you place the Effect Loop stomp module in X to engage it?

I came across this vid of Frampton having a Pitch Shifter but I've never heard it used in any of his songs.