Petzl Sequoia Gen 3 Replacement Bridge Protos Integral Helmets a large ring to hang

a large ring to hang the tool on a carabiner or tool carrier

And the pulleySAVER comes with the patented TEUFELBERGER [slaice]

Spring loaded corners open the container for quick access

but it's actually pretty straight forward

the quadruple action slic pin rotates

Petzl Sequoia Gen 3 Replacement Bridge Protos Integral Helmets a large ring to hangAttachment 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.