Animation help with using cloned object for new skill

Hi there! I'm currently attempting to make a mod that adds a new Electric Guitar skill to the game. As all the animations and objects exist already in game for the guitar, it seems like it should be possible to reuse them for the new skill object.

I have reached a point where using my cloned guitar object with new instances etc, I can ask my sim to practice the new electric guitar skill - everything works with regards to the skill, it is using my new audio files and they're gaining the custom skill, but instead of picking the guitar up, they only do the sim animations of guitar practice.

Is there something I'm missing with the rig or slots, object tuning, or interaction tuning?

Thanks!