Describe the rope dancing in Gulliver's Travels. Who does it? Why do they do it?

One day, after Gulliver
has impressed the emperor and people with his gentleness and docility, the emperor decides to
entertain Gulliver by allowing the visitor to watch the rope dancers who "performed upon a
slender white thread, extended about two feet, and twelve inches from the
ground."

Rope dancing is performed by those individuals who wish to
present themselves for important...