Barracuda Fit Zig-Zag Stitch Walking Foot Sewing Machine 500BZ. The Barracuda Fit 500BZ Zig Zag Sewing Machine is designed for sailmaking, outdoor gear, and canvas work, offering both straight and zig-zag stitching for versatility.... - Barracuda Fit Zig-Zag Stitch Walking Foot Sewing Machine 500BZ.