Avaz does not supply key-guards through any vendors. 

However, there are third party vendors in the USA who design custom key guards, based on a screenshot of the app. Read disclaimer below*.
Lasered Pic 
PO Box 132
Randall MN 56475-0132 
email: service@laseredpics.biz
(p) 866-482-6210
(f) 866-871-9835
Turning Point, PO Box 310945, 
New Braunfels, 
TX 78131-0945, 
Toll Free: (877) 608-9812 
Phone: (830) 608-9812 

Disclaimer: Avaz Inc. has not tested the products made by either of these vendors nor does it have any connections with them. These are just a couple of vendors' names suggested by our clients, and have been added here for the benefit of those who may not have heard of any others and who may wish to trial them.