Small ceramic match striker cup... also known as cup of flame or better known as Taza de fuego.
Remember it is not the contents of the pre-roll that make the pre-roll, it is the way in which you approach the smoke that makes the difference.
May the flame strike for you..
Simply use the rough clay on the exterior to light strike anywhere matches. Approximately 1.5" wide by 1.5" tall. Microwave, dishwasher, & oven safe.