I've been of the opinion it was way overpriced from day one,,,,,,I play snooker or one pocket with my brother on sunday nights, and he's been saying he wanted to try the Kamui chalk. So anyway, I run across a deal on 2 pieces, and buy them. I tried it on my Nitti with a sniper tip a few times, and really not impressed. So this week, we played snooker, and I use my schon with an OB2 shaft and Kamui Black Soft tip when I play snooker. I scuffed the Kamui Black well, then chalked good with the Kamui chalk (1.21), and then decided to just play it till I miss-cued. We played 5 frames, and I never did miss cue with it, and, the tip still looked well covered when we quit.
I can only assume that this chalk works much better on Kamui tips,,,,,,,maybe even softer Kamui tips,,,,,,,,,but it's still way overpriced IMO.