Patent ID: 8888155

Claim:
A hook for manipulation of lines, the hook comprising: an aduncate body, the body defining an opening between at least two portions thereof, the body further comprising: a first shaped opening including an entry of a first dimension and an enlarged portion of a second dimension, wherein the second dimension is larger than the first dimension; a second shaped opening including an entry of a first dimension and an enlarged portion of a second dimension, wherein the second dimension is larger than the first dimension; the respective entries to the first and second shaped openings oriented in different directions, a shuttle including: a first retention pin, a second retention pin, a spacing body to space the first retention pin and the second retention pin from one another, a detent means to resist the disengagement of the first retention pin from the first shaped opening unless a predetermined force is applied to the shuttle, the first retention pin shaped to pass the entry of the first shaped opening when oriented in a first position and to be prevented passage when not in the first position and the second retention pin shaped to pass the entry of the second shaped opening when oriented in a first position and to be prevented passage when not in the first position.