Petzl Sequoia Gen 3 Replacement Bridge Protos Integral Helmets And the pulleySAVER comes with

And the pulleySAVER comes with the patented TEUFELBERGER [slaice]

but it's actually pretty straight forward

Spring loaded corners open the container for quick access

Diameter: 10mm

References

Petzl Sequoia Gen 3 Replacement Bridge Protos Integral Helmets And the pulleySAVER comes withAttachment bridge for connection to the two gated attachment points of the SEQUOIA and SEQUOIA SRT arborist seat harnesses, to optimize lateral mobility. Provides optimal lateral mobility Connects to the two gated attachment points of the SEQUOIA and SEQUOIA SRT harnesses Available in three lengths, to adjust the position of progression tools on the bridge Suited to the Generation 3 Sequoia from 2019 onwards.