Been wanting to Group Buy this one for a long time, happy to have found this community. As mentioned in the Ebook from David Goggins “Can’t Hurt Me”, he uses stretching methods by Joe Hippensteel, however the total cost seems a bit too high.
Ultimate Performance Homepage
UHP1: The Science Of Flexibility
UHP2: Advanced Ranges of Motion (ROMs)
UHP3: Supplemental Techniques
If interested, post below. More information can always be shared, just ask!