Grappling Hook

I wanted a lightweight hook I could take along kayaking that could easily snag a drifting boat. I also wanted something that could use to lift outdoor furniture from ground level to a second-floor deck without carrying it through the house. There are probably many other uses.

UPDATE Version 2 (19 Jul. 2017):

In the original version the tines on hook are brittle when printed in PLA. Version 2 replaces those tines with #6 screws.

The hook attachment is sized for a 1/4-20 eye bolt. One