I found some more examples.

This is the Frog for the Bayonet of an AK-47

[Linked Image from gunfarm.com]

and this is how it works with the Bayonet sheath.

[Linked Image from picturearchive.auctionarms.com]

"Teaching is not showing others new things, but reminding them that they know as well as you."

JYD #118