Clover - Yarn Guide for colorwork
Made of soft, lightweight, durable plastic, this handy Yarn Guide from Clover fits comfortably on the finger. It is incredibly helpful while knitting with two or more different yarns. One size fits all when it comes to this Yarn Guide.
Instructions: Insert the index finger into the Yarn Guide. Flip the top open and place the yarns between the guides and snap it close over the yarn.