PreciousStones at sign can create zone
but Stone it fail

sorry for my english

What he meant to say was:If aim directly at Lockette sign and place a PS Lockette will remove the PS block,but the protected field will still be there,and if you try to place a block at a Lockette sign again,you'll get your Precious Stone back.

Plugin Involve: PreciousStones and Lockette

http://youtu.be/cLfaYjtrpPQ sorry about the poor quality

*EDIT the vid had to be set to private,for obvious reason.

This is something Lockette devs need to do.