Re: What is it? LVI

[R.H.]

Also called a pass key, they supposedly work on a wide variety of locks.

Nope, it's a little too small for that.

Rob

[R.H.]

Excellent guess, this is correct.

Rob

[Rich Grise]

There's also "oarlock", but that doesn't look like one. It looks kind of like the Y from a stethoscope.

CHeers! Rich

[Roy Dennis]

The word is rowlocks, pronounced rollocks

A bit like boatswain and bosun