On Apr 28, 2017, at 9:57 AM, Bill Gosper <billgosper@gmail.com> wrote:

What the heck are the correct names for grommetoid and (the simply connected) grommetoidoid?

Date: 2017-04-28 10:03 From: Dan Asimov <asimov@msri.org> To: math-fun <math-fun@mailman.xmission.com> Reply-To: math-fun <math-fun@mailman.xmission.com>

The word eyelet comes to mind.

And to Neil B's mom's mind came eyestay. But that's Pig Latin for an ophthalmic condition. (Damn those esoteric doctors).

Or, check out this picture: http://3.bp.blogspot.com/-en07ThXYeUY/TYArIkKeuAI/AAAAAAAAFGk/K6bTVrUXfTg/s1... < http://3.bp.blogspot.com/-en07ThXYeUY/TYArIkKeuAI/AAAAAAAAFGk/K6bTVrUXfTg/s1... .

—Dan Bingo: Four pairs of D-rings plus two pairs of hooks, in combination. Perfect! --rwg Wait a minute, aren't those parts of a cyclotron?