Prop Stop Variant- original design

As per my comment, this was my version of the prop stop based of of Esprit Models fiberglass part.
http://www.espritmodel.com/aeronaut-fiberglass-blade-stopper-for-folding-spinners-black-turbo.aspx

Comment from 'Aeronaut Folding Prop Stop Insert' by markqv:
"UptonAK
nice! I was flying an X8 once and went from glide to power and had no power. The prop had folded over and ripped the entire motor off its mount and left it hanging by the bullet connectors. Made a good landing but after that I