Hoyt dry fires an new bow design before even thinking of it as a new bow design for production. The the design is put through a 1 million pull test.
https://www.outdoorhub.com/news/2017/09/28/video-try-not-cringe-watch-hoyt-dry-fire-bow-1500-times/
https://www.outdoorhub.com/news/2017/09/28/video-try-not-cringe-watch-hoyt-dry-fire-bow-1500-times/