by steps. Only exposes nakedness. "I will come unto thee " (Exodus 20:24) is the essence of worship. Our approach is quite secondary. Whether by "tool" or "steps", it either pollutes the Divine or exposes the human.
Related Commentaries of Exodus 20:26
Exodus 20:26
26 Neither shalt thou go up by steps unto mine altar, that thy nakedness be not discovered thereon.