A horgl was a device used to sublimate snakeleaf. Raffi Musiker was a user of the horgl. (PIC: "The End is the Beginning", "The Impossible Box", "Nepenthe", "Et in Arcadia Ego, Part 2")
Although not specified in any episode, it has been described by Michael Chabon on Instagram to be a traditional Orion "flashpipe", employed for centuries on that world to sublimate the fleshy tendrils of snakeleaf. [1]