MarioWiki
MarioWiki
"Where... did the ring... go...? YOU took the ring!?"
Knucklotec blames Mario for taking the Binding Band.

The Binding Band is a treasure that appears in Super Mario Odyssey. It is a large wedding ring capable of fitting a person in its loop. The Binding Band is located in the Sand Kingdom's Ice Cavern, where Knucklotec lives.