E-stim can be one thing that can make buttplugs or butt stuff be more interesting since it can give illusions of sex occuring there aka ghost fucking. Can also stimulate your prostate as well. It can be controlled via audio and funscript files depending on software and device to a degree.
Downside is that it’s expensive if you want to be safe because electricity.
Upscale/FPS increase request topic , Video resolution mega poll , Tag poll and recommended multi-axis script along with single-axis script which is a Fap Hero.