摘要 |
A cap for a container includes a depressible structure arranged such that, when the depressible structure is depressed, the depressible structure applies force onto a first compartment, thereby rupturing the first compartment and dispensing a first ingredient into a second compartment of the container. The depressible structure can include a pliant material. Also described is a solid material shaped to concentrate force applied by the depressible structure at a first location of the first compartment to facilitate rupturing the first compartment. Additionally described is an ingredient that includes an effervescent material. |