Lock M Out window locks

Hallsontour
Hallsontour Forum Participant Posts: 199
edited December 2014 in Parts & Accessories #1

Has anyone tried the Lock M Out window locks that are featured in Jan 2015 CC magazine? Do you have to put them on all the handles or just one per window?

They look good but it can get a little expensive if you need them on all handles.

Thanks for your comments in advance.