And preached, saying, There cometh one mightier than I after me, the latchet of whose shoes I am not worthy to stoop down and unloose. The latchet of whose shoes - The shoe of the ancients was properly only a sole tied round the foot and ankle with strings or thongs. See on Matthew 3:11 (note).
Related Commentaries of Mark 1:7
Mark 1:7
7 And preached, saying, There cometh one mightier than I after me, the latchet of whose shoes I am not worthy to stoop down and unloose.