CLOVER-Bamboo Notions Tracing Wheel with Blunt Edge. The Bamboo Notions Series is a select assortment of sewing and quilting tools that offer the natural warmth; versatility; and durability of bamboo; the fastest growing degradable plant that self-regenerates. The blunt edge of this Tracing Wheel is used to mark the line without tearing the pattern or carbon paper. This package contains one Tracing Wheel with bamboo handle (measures approximately 5-3/4in). Caution: Sharp edge. Handle with care. Imported.