Paddle locking (clamp and spring button)
Also: spring-button lock, clamp lock
The locking system connects the pieces of a sectional paddle. Clamps allow any length and angle, spring buttons click into fixed steps.
That's how the Packrafting Store's comparison table describes it for Anfibio paddles. Rinse sand and salt out of the joints so they don't seize.
Sources and further reading
Research as of 13 Nov 2026. We have marked manufacturer information as such.