What's not clear from the video is why it's preferable to the traditional version of turning the screw itself.,(reply>), @Andrew Somerville well for their case it might have been purely about dust control for hygienic reasons and workplace quality of life,(reply>), @Corey Suffield if that's the primary advantage, then they buried the lede. In describing the reason he created it he said they originally used it for sand, which is, of course, not explosive.,(reply>), it is very clear if you watch the whole video, they explain it creates less airborne dust which can be beneficial from a safety aspect if you don't want things to explode\ignite