Some things you can use in place of egg rings are metal canning jar rings, a u003ca href=u0022https://amzn.to/3tnvzGYu0022 target=u0022_blanku0022 rel=u0022noreferrer noopener nofollowu0022u003eround metal cookie cutteru003c/au003e, or a tuna can with no top or bottom.