I have yet to look at these episodes yet, but they are supposed to help with hamstring flexibility.
Episode 58: Weird Hamstring Problems and Simple
Pro Episode # 36 – Voodoo Floss Series # 3: The High
High Hamstring Gnar, Trigger Points, and Up Stream/Down
Episode 354: Make Your Own Super Floss/High Hamstring &
Hip Gnar Gnar
Episode 272: TJ Murphy Edition and Hamstring Stiffness
Episode 104: Hammer Your High HammyEpisode 82: Protect your scrotch or: Medial hamstring fun