You can rez two hookguns using the following script
Its not yet fully done, and needs some tweaking but once it is I will submit the PR to merge it with the existing scripts in High Fidelity client. It also requires the build with fixed avatar velocities, which was completed in PR 7874
But I am now looking for testers and feedback. Please use the latest dev build, instead of Release doesnt support thrust when pushing the user up.
I am posting this now, because the progress in the development will be delayed as I have the unfortune of having to sent both of my HTC Vive Controllers back for repairs Today. Hopefully ill get them back within a few weeks. But for now, I want to get some feedback