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[milieu]

Closed

 

[dlochner]

Pelican hook. Because it looks like a pelican.

Suncor Quick Attach Pelican Hook - 3/16" Wire - 5/16" Thread

Wire Size: 3/16", Thread Size: 5/16", Function: Allows Rigging of Lifeline in Minutes using Quick Attach, Material: 316 Stainless Steel, Suncor Quick Attach Pelican Hook - 3/16" Wire - 5/16" Thread from Defender Industries

www.defender.com

 

[Justin_NSA]

Looks like a pelican hook to me too. There are variations on the principle. I wouldn't know who makes this one