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Just connect and secure with the included ring. The Wilton ColorSwirl Tri-Color Large Coupler interlocks three decorating bags into place so you can easily decorate cakes, cupcakes and other sweet treats in multiple colors. You can also switch out tips easily for different piping techniques in the same icing colors. The coupler includes three interlocking coupler pieces that are placed in decorating bags. The ring holds the decorating tip secure while piping.
This coupler works with the following Wilton tips: 1M, 2D, 6B, 4B, Decorating Tip Set Extra Large (1M, 2D, 2A) (sold separately). It is recommended to use this coupler in combination with the 40 cm Wilton disposable decorating bags.