Sew flattering swimwear using the Butterick Pattern B6358 Misses' Tie-Detail Bikini & One-Piece Swimsuit-Size 12-14-16-18-20. The pattern has designs and instructions for sewing close-fitted, lined and elasticized swimsuits with cut on crosswise grain. A, C: Top has front ties, shoulder straps that cross at back, removable bra cups, and bra hook at back. B: Tie ends. This pattern is designed for two-way stretch knits only.