https://plus.google.com/110929600608776315810/posts/UB3Men3hgvE
https://plus.google.com/108050635154873068103/posts/W5t5z5Qcmva
i just thought of it and they already did it … damn!!! i hope they share the source…
I did warn you 
He actually made that re arm many months ago. I got the first prototype.