í hringum ‘in a ring-byrnie’: This was a byrnie made of iron rings that were joined together. Fragments of such armour have been found in Dan. graves (see Falk 1914, 175-6). Haraldr’s byrnie (called Emma) was so long that it reached down to the middle of his calves (see ÍF 28, 188), and Túta the dwarf would certainly have provided quite a sight wearing it. See also Note to Þham Magndr 3/8.