A YouTube video is going viral on the net and there is a lot of discussion in the forums: Craft glitter seems to be the DIY solution to make puncture protection milk even more effective. There are even rumors in forums that ground pepper in tubeless sealant is supposed to increase puncture protection even more.

"Seth's Bike Hacks" is a YouTube channel on which the aforementioned Seth shares his experience on a mountain bike. There is also an experience report on what glitter from the DIY store can do if you pour it into the tire with tubeless milk. According to Seth, the colorful material helps to better seal larger holes in the tire - and also provides video evidence.

There are also discussions on the MTBR forum about the potential of the glitter solution. Rumor has it that the glitter causes the puncture protection fluid to clump earlier. "Captain Jack" on the MTBR forum even talks about how he used to seal cooling systems in the US armed forces with crushed cornflakes or ground pepper...