The Gold Rush Family : The four sizes of Gold Rush are all chainettes. The number after the gold Rush logo denotes the size of canvas for which the yarn is best suited. A work about Gold Rush XS, try this on both 11 count Aida and 18 count canvas. It is a very versatile yarn. Thsi metallic can be used to replace 4-5 strands of blending filaments for those who do not like to ply up. Suggested use is Gold Rush 12 on 10-13 count canvas , Gold Rush 14 and Variegated Gold Rush 14 on 13-18 count canvas, Gold Rush 18 on 18-22 count canvas and gold Rush XS on 18-22 count canvas.