Make sure the Cap writing "Patent Pending" is up facing the outside of the K-Cup ® Pack. The cap is designed to push INTO the inside of the K-Cup Pack. The sides of the Cap are tapered and it will not work upside down.
Keurig ® and K-Cup ® are registered trademarks of Keurig, Inc. a subsidiary of Green Mountain Coffee Roasters, Inc.
Nespresso ® and Dolce Gusto ® are registered trademark of the Nestle Group, Tassimo ® and T-Disc ® are registered trademark of Kraft Foods.
My-Cap is not Affiliated with GMCR, Keurig, Nestle, or Kraft Foods.