Funneling

To use a funnel.

To proceed through a narrow gap or passageway akin to a funnel; to condense or narrow.

"Expect delays where the traffic funnels down to one lane."

To channel, direct, or focus (emotions, money, resources, etc.).

"Our taxes are being funnelled into pointless government initiatives."

To consume (beer, etc.) rapidly through a funnel, typically as a stunt at a party.

The process of passing something through a funnel.