Unicode Glyph for Padlock

问题:

I need to use a unicode character that looks like a padlock. It's for a button below a form that says "CopyLink __" with a padlock on it, to indicate that when they copy the link of the page they are on, the person going to the "copylink _" version of the page will not be able to modify the form.

Anyway, I've looked around -- this page has a lot of miscellaneous unicode symbols, but after the the musical sharp note the rest of the symbols do not load. this link says that I should be able to generate a padlock symbol with ALT+1F513 .. which ends up being this symbol ♪, not a lock. I've learned to use chrome's devtools recently, so on the miscellaneous unicode symbols wikipedia page, when I saw that everything after the musical sharp note was not loading I went into devtools, found the table where all the symbols were, and deleted elements from the DOM. I thought maybe the browswer could only load so many of the special unicode characters at once, but I guess the page didn't refresh, so that didn't work either they still showed up as