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If you currently have IHC with an IHC fork, standard diameter bars, and a standard diameter clamp, to convert that to HIC, you need to replace the fork, the bars, and the clamp. IHC is like baby HIC, which uses a standard threadless fork (not a tapered IHC fork), oversized bars, and an oversized clamp.
IHC requires an IHC work (tapered fork) with an IHC shim (included with the IHC fork) and standard diameter bars with a slit cut in them. You'll also need a standard diameter clamp (not SCS) to hold the bars on to the IHC fork.
The FK2 fork is an ICS fork, so there is no starnut. You could convert it by cutting off the top of the fork and installing a starnut, but I'd recommend just picking a different fork. In my personal experience, District FK2 forks aren't that strong either. Also, you should know that 1) you'll need a fullsize SCS (not baby SCS) if you want to use aluminum bars with it and 2) sometimes, aluminum bars don't fit perfectly in SCS clamps and you may need to make a small shim out of a popcan.
Personally, I'm a big fan of being unique and different. Just about every video has a falls section, so it seems really overdone and clicé to me to have a falls section. I would only incorporate falls into a video if the a fall is funny, significant, or if it shows progression toward landing a very difficult trick. For example, when my kid was learning flairs on resi at Woodward, we included several of his falls in fast-forward motion prior to landing the flair in his video. It showed progression and not giving up.
Generally speaking, get inspiration from videos that are not scooter videos. Look at skiing and snowboarding videos, motocross videos, anything other than scooter and skateboard videos for inspiration. The reason for that is everyone copies other scoot and skate videos. You want your videos to stand out, so do something different! :)