He is most remembered for his invention of the rear swinging door feature on grocery shopping carts allowing the cart to telescope, or nest in order to save space.
When the instrument is blown, this thin triangle moves back and forth rapidly through the space left in the metal sheet from which it was cut, like a swinging door.
When pressure is greater in the interstitial fluid than in lymph, the cells separate slightly, like the opening of a one-way swinging door, and interstitial fluid enters the lymphatic capillary.
To continue the analogy, an underdamped door closer would close quickly, but would hit the door frame with significant velocity, or would oscillate in the case of a swinging door.